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pdfFoodNet Variable List, 2024
(Site-transmitted variables)
Variable Name
1
AgClinic
Format
Character
Length
30
2
AgClinicTestType
Character
100
3
4
AgeMnth
AgeYr
Numeric
Numeric
2
3
5
AgSphl
Character
30
6
AgSphlTestType
Character
100
7
AR_antacid_any
Character
10
Description
Answers (Legal Values)
Stx1;
Stx2;
For possible E. coli cases: What was the result of specimen testing for Shiga
Stx1&2;
toxin using an antigen-based test (e.g.EIA or lateral flow) at a clinical
Stx Undiff;
laboratory?
Negative;
Not Tested
Positive;
For other pathogens: What was the result of specimen testing using an
Negative;
antigen-based test (e.g. EIA or lateral flow) at a clinical laboratory?
Indeterminate;
Not Tested
Abbott Shiga Toxin Quik Chek;
Denka Seiken VTEC Screen
Merck Duopath STEC Rapid Test;
Meridian Premier EHEC;
For possible E.coli cases: Name of antigen-based test used at clinical laborato
Meridian ImmunoCard STAT! E. coli O157 Plus;
Meridian ImmunoCard STAT! EHEC;
Remel ProSpecT STEC;
Techlab Shiga Toxin Quik Chek
Abbott Campylobacter Quik Chek
Meridian Curian Campy
Meridian ImmunoCard STAT! CAMPY;
For possible Campylobacter cases: Name of antigen-based test used at
Meridian Premier CAMPY;
clinical laboratory
Remel ProSpecT Campylobacter;
Remel Xpect Campylobacter;
Techlab Campylobacter Quik Chek
Other;
For other pathogens: Name of antigen-based test used at clinical laboratory
Unknown
Age of case-patient in months if patient is <1yr
1-11
Age of case-patient in years
1-105
Stx1;
Stx2;
For possible E. coli cases: What was the result of specimen testing for
Stx1&2;
Shiga toxin using an antigen-based test (e.g.EIA or lateral flow) at a state
Stx Undiff;
public health laboratory?
Negative;
Not Tested
Positive
For other pathogens: What was the result of specimen testing using an
Negative
antigen-based test (e.g. EIA or lateral flow) at a state public health
Indeterminate
laboratory?
Not tested
Abbott Shiga Toxin Quik Chek;
Denka Seiken VTEC Screen
Merck Duopath STEC Rapid Test;
For possible E.coli cases: Name of antigen-based test used at state public
Meridian ImmunoCard STAT! EHEC;
health laboratory
Meridian Premier EHEC;
Remel ProSpecT STEC;
Techlab Shiga Toxin Quik Chek
Abbott Campylobacter Quik Chek
Meridian Curian Campy
Meridian ImmunoCard STAT! CAMPY;
For possible Campylobacter cases: Name of antigen-based test used at state
Meridian Premier CAMPY;
public health laboratory
Remel ProSpecT Campylobacter;
Remel Xpect Campylobacter;
Techlab Campylobacter Quik Chek
For other pathogens: Name of antigen-based test used at state public health Other;
laboratory
Unknown
In the 30 days before (your/your child’s) illness began, did (you/your child)
have any form of antacid?
Yes; No; Unknown;
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Category
Included in standard
data requests?
Site
Collect for all pathogens for which
culture-independent results are
available. Prior to 2011, called
'EiaClinic'.
2009-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens for which
culture-independent results are
available.
2011-current
Culture-Independent
Testing
YES
Site
Site
Collect for all cases
Collect for all cases
1996-current
1996-current
Demographics
Demographics
YES
YES
Site
Collect for all pathogens for which
culture-independent results are
available. Prior to 2011, called
'EiaSphl'.
2009-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens for which
culture-independent results are
available.
2011-current
Culture-Independent
Testing
YES
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
FoodNet Variable List, 2024
(Site-transmitted variables)
Variable Name
Format
Length
Description
8
AR_antacid_any_1
Character
30
What medications to block acids did (you/your child) take in the 30 days
before {your/your child's) illness began?
9
AR_antacid_any_2
Character
30
What medications to block acids did (you/your child) take in the 30 days
before {your/your child's) illness began?
10
AR_antacid_any_3
Character
30
What medications to block acids did (you/your child) take in the 30 days
before {your/your child's) illness began?
11
AR_antibiotic_use
Character
10
Did (you/your child) take antibiotics for this illness?
12
AR_antibiotic_use_1
Character
30
What antibiotics did (you/your child) take for this illness?
13
AR_antibiotic_use_2
Character
30
What antibiotics did (you/your child) take for this illness?
14
AR_antibiotic_use_3
Character
30
What antibiotics did (you/your child) take for this illness?
Answers (Legal Values)
Aluminium hydroxide
Ami-Lac
Amphojel
Axid
Calcium carbonate
Cal Gest
Caltrate
calcium-based supplements
Dexilant
Dialume
Di-Gel
Gas-X with Maalox
Gaviscon
Gelusil
Genaton
Isopan
Maalox / Maox
Magaldrate
Magnesium Hydroxide
Masanti
Mi-Acid
Milantex
Milk of Magnesia
Mintox
Mylanta
Nexium
Nizatidine
Os-Cal
Oysco
Oyster (shell) calcium
Pepcid
Pepto Children's
Prevacid
Prilosec
Protonix
Ri-Mag
Riopan
Rolaids
Ron-Acid
Rulox
Tagamet
Tempo
Titralac
Tums
Zantac
Zegerid
Other
Unknown
Yes; No; Unknown
Amoxicillin
Amoxicillin / Clavulanate
Ampicillin
Augmentin
Azithromycin
Bactrim
Biaxin
Ceclor
Cefaclor
Ceftin
Cefixime
Ceftriaxone
Cefuorixime
Cefzil
Cefprozil
Cephalexin
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Category
Included in standard
data requests?
Site
Varies by site for Salmonella,
Campylobacter and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
FoodNet Variable List, 2024
(Site-transmitted variables)
Variable Name
Format
Length
Description
15
AR_antibiotic_use_4
Character
30
What antibiotics did (you/your child) take for this illness?
16
AR_antibiotic_use_5
Character
30
What antibiotics did (you/your child) take for this illness?
17
AR_antibiotic_use_6
Character
30
What antibiotics did (you/your child) take for this illness?
18
AR_antibiotic_use_7
Character
30
What antibiotics did (you/your child) take for this illness?
19
AR_antibiotic_use_8
Character
30
What antibiotics did (you/your child) take for this illness?
20
AR_antibiotic_use30
Character
10
In the 30 days before (your/your child’s) illness began, did (you/your child)
take any antibiotics?
21
AR_antibiotic_use30_1
Character
30
What antibiotics did (you/your child) take in the 30 days before {your/your
child's) illness began?
22
AR_antibiotic_use30_2
Character
30
What antibiotics did (you/your child) take in the 30 days before {your/your
child's) illness began?
23
AR_antibiotic_use30_3
Character
30
What antibiotics did (you/your child) take in the 30 days before {your/your
child's) illness began?
24
AR_antibiotic_use30_4
Character
30
What antibiotics did (you/your child) take in the 30 days before {your/your
child's) illness began?
25
AR_antibiotic_use30_5
Character
30
What antibiotics did (you/your child) take in the 30 days before {your/your
child's) illness began?
26
AR_antibiotic_use30_6
Character
30
What antibiotics did (you/your child) take in the 30 days before {your/your
child's) illness began?
27
AR_antibiotic_use30_7
Character
30
What antibiotics did (you/your child) take in the 30 days before {your/your
child's) illness began?
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Category
Included in standard
data requests?
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Yes; No; Unknown
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Amoxicillin
Amoxicillin / Clavulanate
Ampicillin
Augmentin
Azithromycin
Bactrim
Biaxin
Ceclor
Cefaclor
Ceftin
Cefixime
Ceftriaxone
Cefuorixime
Cefzil
Cefprozil
Cephalexin
Cephradine
Chloramphenicol
Ciprofloxacin / Cipro
Clarithromycin
Dapsone
Doxycycline
Duricef
Erythromycin
Erythromycin / sulfisoxazole
Flagyl
Floxin
Keflex
Keftab
Levofloxacin
Levoquin
Metronidazole
Norfloxacin / Norflox
Ofloxacin / Oflox
Pediazole
Penicillin / Pen VK
Septra
Suprax
Tetracycline
Trimox
Trimethoprim / Sulfa
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Answers (Legal Values)
Cephradine
Chloramphenicol
Ciprofloxacin / Cipro
Clarithromycin
Dapsone
Doxycycline
Duricef
Erythromycin
Erythromycin / sulfisoxazole
Flagyl
Floxin
Keflex
Keftab
Levofloxacin
Levoquin
Metronidazole
Norfloxacin / Norflox
Ofloxacin / Oflox
Pediazole
Penicillin / Pen VK
Septra
Suprax
Tetracycline
Trimox
Trimethoprim / Sulfa
Zithromax / Z-Pak
Other
Unknown
FoodNet Variable List, 2024
(Site-transmitted variables)
Variable Name
28
AR_antibiotic_use30_8
Format
Character
Length
Description
Answers (Legal Values)
Trimethoprim / Sulfa
Zithromax / Z-Pak
Other
Unknown
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Category
Included in standard
data requests?
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
30
What antibiotics did (you/your child) take in the 30 days before {your/your
child's) illness began?
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
Varies by site for Salmonella,
Campylobacter, and Shigella
2018-current
Exposure
NO
2018-current
Exposure
NO
2018-current
Exposure
NO
2018-current
Exposure
NO
2018-current
Exposure
NO
2018-current
Exposure
NO
2018-current
Exposure
NO
2018-current
Exposure
NO
2018-current
Exposure
NO
2018-current
Exposure
NO
1996-current
Other
NO
29
AR_comorb_abdominal
Character
10
In the 6 months before (your/your child's) illness began, did (you/your child)
have abdominal surgery (e.g., removal of appendix or gallbladder, or any
Yes; No; Unknown
surgery of the stomach or large intestine)?
30
AR_comorb_cancer
Character
10
In the 6 months before (your/your child's) illness began, were (you/your
child) diagnosed or treated for cancer (including leukemia/lymphoma)?
Yes; No; Unknown
Site
31
AR_comorb_diabetes
Character
10
In the 6 months before (your/your child's) illness began, were (you/your
child) diagnosed or treated for diabetes?
Yes; No; Unknown
Site
32
Ar_Diet_veal
Character
10
In the past 7 days, did (you/your child) eat any veal?
Yes; No; Unknown
Site
33
AR_durationillness
Numeric
10
How many days were (you/your child) sick?
any number
Site
34
AR_HHtrav6mo
Character
10
Yes; No; Unknown
Site
35
AR_HHtrav6mo_country
Text Field
70
Text
Site
36
AR_hosp_icu
Character
10
Yes; No; Unknown
Site
In the 30 days before (you/your child's) illness began, did (you/your child)
take a probiotic?
Probiotics are live microorganims (such as certain types of bacteria) that
Yes; No; Unknown
may benefit your health. These can take the form of pills, powders, yogurts,
and other fermented dairy products, as well as anything labeled as containing
"live and active cultures" or "probiotics."
Site
In the 6 months before (your/your child's) illness began, did any member(s)
of your household travel outside of the United States?
In the 6 months before (your/your child's) illness began, what countries did
the member(s) of your household visit?
During any part of the hospitalization, did you (your child) stay in an
Intensive Care Unit (ICU) or a Critical Care Unit (CCU)?
37
AR_probiotic_use30
Character
10
38
AR_travel6mo
Character
10
39
AR_travel6mo_country
Text Field
70
40
Audit
Character
7
In the 6 months before (your/your child's) illness began, did (you/your child)
Yes; No; Unknown
travel outside of the United States?
In the 6 months before (your/your child's) illness began, what countries did
Text
(you/your child) visit?
Was case found during an audit?
Yes; No
41
BioId
Character
10
Was the pathogen identified by culture?
42
BloodyDiarr
Character
10
Did the case-patient have bloody diarrhea (self reported) during this illness? Yes; No; Unknown
43
CEA_Beef
Character
10
44
CEA_Chicken
Character
10
45
CEA_Dairy
46
CEA_Dog
Character
Character
10
10
47
CEA_Eggs
Character
48
CEA_Fish
49
In the 7 days before illness, did you/your child eat beef or any foods
containing beef?
In the 7 days before illness, did you/your child eat chicken or any foods
containing chicken?
In the 7 days before illness, did you/your child eat or drink any dairy
products (e.g., milk, yogurt, cheese, ice cream, etc.)?
Yes; No; Unknown; Not Tested
Site
Site
Site
Varies by site for Salmonella,
Campylobacter, and Shigella
Varies by site for Salmonella,
Campylobacter, and Shigella
Varies by site for Salmonella,
Campylobacter, and Shigella
Collect for all cases
Site
Collect for all bacterial pathogens.
Prior to 2011, called 'StecBioId'.
1996-current
Culture-Independent
Testing
YES
Site
Collect actively for Campylobacter ;
passively for other pathogens.
2011-current
Clinical Information
YES
Exposure
YES
Exposure
YES
Exposure
Exposure
YES
YES
Exposure
YES
Exposure
YES
Exposure
YES
Exposure
YES
Exposure
YES
Exposure
YES
Exposure
YES
Exposure
YES
Exposure
YES
Exposure
YES
Yes; No; Unknown
Site
Yes; No; Unknown
Site
Yes; No; Unknown
In the 7 days before illness, did you/your child have any contact with a dog? Yes; No; Unknown
Site
10
In the 7 days before illness, did you/your child eat any eggs?
Yes; No; Unknown
Site
Character
10
In the 7 days before illness, did you/your child eat any fish or fish products? Yes; No; Unknown
Site
CEA_Lettuce
Character
10
In the 7 days before illness, did you/your child eat any fresh, raw lettuce?
Yes; No; Unknown
Site
50
CEA_Live_poultry
Character
10
In the 7 days before illness, did you/your child have any contact with any
live poultry (e.g., chickens, turkeys, hens, etc.)?
Yes; No; Unknown
Site
51
CEA_Milk_raw
Character
10
In the 7 days before illness, did you/your child drink any unpasteurized milk? Yes; No; Unknown
Site
52
CEA_Pig
Character
10
53
CEA_Pork
Character
10
54
CEA_Reptile_amphib
Character
10
55
CEA_Ruminants
Character
10
56
CEA_Seafd
Character
10
In the 7 days before illness, did you/your child have any contact with any
pigs?
In the 7 days before illness, did you/your child eat pork or any foods
containing pork?
In the 7 days before illness, did you/your child have any contact with a
reptile or amphibian (e.g., frog, snake, turtle, etc.)?
In the 7 days before illness, did you/your child have any contact with any
cattle, goats, or sheep?
In the 7 days before illness, did you/your child eat any seafood (e.g., crab,
shrimp, oysters, clams, etc.)?
Varies by site for Salmonella,
Campylobacter, and Shigella
Varies by site for Salmonella,
Campylobacter, and Shigella
Varies by site for Salmonella,
Campylobacter, and Shigella
Varies by site for Salmonella,
Campylobacter, and Shigella
Varies by site for Salmonella,
Campylobacter, and Shigella
Varies by site for Salmonella,
Campylobacter, and Shigella
Site
Yes; No; Unknown
Site
Yes; No; Unknown
Site
Yes; No; Unknown
Site
Yes; No; Unknown
Site
Yes; No; Unknown
Site
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
Collect for Salmonella
Campylobacter
and
and
and
and
and
and
and
and
and
and
and
and
and
and
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2016-current (Campy)
2014-current (Salm );
2015-current (Campy)
FoodNet Variable List, 2024
(Site-transmitted variables)
Category
Included in standard
data requests?
Exposure
YES
Demographics
Demographics
YES
NO
2011-current (Campy) ; 2018-current
(others)
Lab Information
YES
Collect for all cases
2011-current (Campy) ; 2018-current
(others)
Lab Information
YES
Site
Collect for all cases
2011-current (Campy) ; 2018-current
(others)
Lab Information
YES
Site
Collect actively for Campylobacter
cases; passively for other pathogens.
2011-current
Clinical Information
YES
Site
Site
Site
Site
Site
Site
Site
Collect for all cases
Collect for hospitalized cases
Collect for hospitalized cases
Collect for hospitalized cases
Collect for hospitalized cases
Collect for all cases
Collect for all cases
1996-current
1996-current
2008-current
1996-current
2008-current
1996-current
2009-current
Demographics
Hospitalization
Hospitalization
Hospitalization
Hospitalization
Other
Clinical Information
NO
YES
YES
YES
YES
NO
YES
mmddyy10. Date case-pateint's specimen was received in laboratory for initial testing
Site
Collect for all cases
1996-current
Lab Information
NO
Date
Date
mmddyy10. Date case report form was completed
mmddyy10. Case-patient's specimen collection date
Site
Site
1996-current
1996-current
Other
Lab Information
NO
YES
Date
mmddyy10.
Collect for all cases
Collect for all cases
Collect for cases that reported
international travel during incubation
period; if recently immigrated, leave
blank
2004-current
Travel
YES
Site
Collect for cases that reported
international travel during incubation
period; if recently immigrated, enter as
date arrived to US
2004-current
Travel
YES
Site
Collect for E.coli cases
2014-current
Pathogen-specific
(E.coli)
YES
Site
Collect for E.coli cases
2014-current
Pathogen-specific
(E.coli)
YES
Site
Collect for cases that are part of a
recognized outbreak
2004-current
Outbreak
YES
Site
Collect for all cases
1996-current
Demographics
YES
Variable Name
Format
Length
57
CEA_Turkey
Character
10
58
59
County
CTNO2020
Character
Character
50
11
60
CultCdc
Character
30
What was the culture result at CDC? (Does not include confirmation of
isolates received.)
61
CultClinic
Character
30
What was the culture result at a clinical lab?
62
CultSphl
Character
30
What was the culture result at a state public health lab? (Does not include
confirmation of isolates received.)
63
Diarrhea
Character
10
Did the case-patient have diarrhea (self-reported) during this illness?
64
65
66
67
68
69
70
DOB
DtAdmit
DtAdmit2
DtDisch
DtDisch2
DtEntered
DtOnset
Date
Date
Date
Date
Date
Date
Date
mmddyy10.
mmddyy10.
mmddyy10.
mmddyy10.
mmddyy10.
mmddyy10.
mmddyy10.
Case patient's date of birth
Date of first hospital admission for this illness
Date of hospital admission for second hospitalization for this illness
Date of first hospital discharge for this illness
Date of hospital discharge for second hospitalization for this illness
Date case was entered into site's database
Date that the case-patient’s symptoms first began for this illness
71
DtRcvd
Date
72
73
DtRptComp
DtSpec
74
DtUSDepart
75
DtUSReturn
Date
Description
In the 7 days before illness, did you/your child eat any turkey or any foods
containing turkey?
Case-patient's county of residence
2020 Census Tract Number
Answers (Legal Values)
Yes; No; Unknown
00000000000-99999999999
Positive;
Negative;
Unknown;
No bacterial growth;
Not tested
Positive;
Negative;
Unknown;
No bacterial growth;
Not tested
Positive;
Negative;
Unknown;
No bacterial growth;
Not tested
Yes; No; Unknown
If case-patient patient traveled internationally, date of departure from the
U.S.
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Site
Site
Collect for Salmonella and
Campylobacter
Collect for all cases
Collect for all cases, optional
2014-current (Salm );
2015-current (Campy)
1996-current
2022-current
Site
Collect for all cases
Site
Site
Site
mmddyy10. If case-patient traveled internationally, date of return to the U.S.
76
DxO157
Character
30
77
DxO157TestType
Character
100
78
EforsNum
Character
6
79
Ethnicity
Character
1
Positive;
For possible E.coli cases: What was the result of specimen testing for O157
Negative;
by EIA or PCR at a clinical laboratory?
Not tested
Meridian ImmunoCard STAT! E. coli O157 Plus;
Biofire Filmarray Gastrointestinal (GI);
Diatherix Gastrointestinal;
Name of EIA or PCR test used
Luminex xTag Gastrointestinal Pathogens;
Metametrix;
Lab-developed test;
Other
1-999999;
CDC NORS outbreak ID number
888888='multi-state outbreak with exposure in multiple states'
999999='multi-state outbreak with a single exposure outside of the FoodNet catchment area'
Case-patient's ethnicity
H (Hispanic), N (Non-Hispanic), U (Unknown)
80
Fever
Character
10
Did the case-patient have fever (self-reported) during this illness?
Yes; No; Unknown
Site
Collect actively for Campylobacter ;
passively for other pathogens.
2011-current
Clinical Information
YES
Yes; No; Unknown
Site
Collect for Shigella cases,
optional for other pathogens
2019-current
Demographics
NO
81
Homeless
Character
7
In the 7 days before illness, did the case-patient experience homelessness?
This includes staying in a shelter or car, building, or other structure not
intended for housing. (This does not include staying with friends or family,
correctional facilities, care or nursing facilities, single room occupancy, or
other transitional housing.)
82
Hospital
Character
7
Was case-patient hospitalized within (+/-) 7 days of specimen collection?
Yes; No; Unknown
Site
Collect for all cases
1996-current
Hospitalization
YES
83
HospTrans
Character
7
If case-patient was hospitalized, was s/he transferred to another hospital?
Yes; No; Unknown
Site
Collect for hospitalized cases
1996-current
Hospitalization
YES
84
HUS
Character
7
Did case patient have a diagnosis of HUS?
Yes; No; Unknown
Site
Collect for E.coli cases
2009-current
Clinical Information
YES
FoodNet Variable List, 2024
(Site-transmitted variables)
Variable Name
Format
Length
85
Immigrate
Character
7
86
Interview
Character
7
87
88
89
LabName
LabNum
LocalID
Character
Character
Character
25
30
16
Description
Answers (Legal Values)
Did case-patient immigrate to the U.S.? (within 30 days of onset for
Salmonella Typhi, Paratyphi & Listeria, 14 days for Cyclospora, and 7 days Yes; No; Unknown
for all other pathogens)
Was the case-patient interviewed by public health (i.e. state or local health
department or FoodNet staff)?
Name of submitting laboratory
Local aliquot identification number
Case-patient's medical record number
Yes; No; Unknown
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Category
Included in standard
data requests?
Site
Collect for all cases
2008-current
Travel
YES
Site
Collect for all cases
2008-current
Other
YES
Site
Site
Site
Collect for all cases
Collect for all cases
Collect for all cases
1996-current
1996-current
1996-current
Lab Information
Lab Information
ID Field
NO
NO
NO
Site
Collect for all pathogens for which
culture-independent results are
available.
2011-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens for which
culture-independent results are
available.
2011-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens for which
culture-independent results are
available.
2011-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens for which
culture-independent results are
available.
2011-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens for which
culture-independent results are
available.
2011-current
Culture-Independent
Testing
YES
Collect for all cases
Collect if case is part of a recognized
outbreak
Collect if case is part of a recognized
outbreak
2004-current
Outbreak
YES
2008-current
Outbreak
NO
2008-current
Outbreak
YES
Site
Collect for all cases
1996-current
Clinical Information
YES
Site
Collect for Listeria cases
1996-current
Pathogen-specific
(Listeria)
YES
94
OtherSphlTestType
Character
100
95
Outbreak
Character
7
Was the case-patient part of a recognized outbreak?
Varies by state
Varies by state
Stx1;
Stx2;
Stx1&2;
Stx Undiff;
Negative;
Not Tested
Positive
Negative
Indeterminate
Not tested
Stx1;
Stx2;
Stx1&2;
Stx Undiff;
Negative;
Not Tested
Positive
Negative
Indeterminate
Not tested
Autoflourescence
Beckman Walkaway System
Stained Wet Mount;
Microscopy Unspecified
Modified Acid-Fast
Modified Safranin Stain
Wet Mount
Vero Cell Asay;
Other;
Unknown
Stx1;
Stx2;
Stx1&2;
Stx Undiff;
Negative;
Not Tested
Positive
Negative
Indeterminate
Not tested
Autoflourescence
Beckman Walkaway System
Stained Wet Mount;
Microscopy Unspecified
Modified Acid-Fast
Modified Safranin Stain
Wet Mount;
Vero Cell Asay;
Other;
Unknown
Yes; No
96
OutbrkStID
Character
30
State outbreak identification number
Varies by state
Site
97
OutbrkType
Character
50
Type of outbreak that the case-patient was part of
Foodborne; Waterborne; Animal contact; Person-to-person; Environmental contamination other than
food/water; Indeterminate; Other; Unknown
Site
98
Outcome
Character
7
Case-patient's outcome (assessed for non-hospitalized cases within 7 days of
Alive; Dead; Unknown
specimen collection date and hospitalized cases at hospital discharge)
40
If Listeria case was pregnancy-associated, what was the outcome of the
pregnancy? Note: fetal death includes miscarriage or stillbirth; delivery is a
live birth.
For possible E.coli cases: What was the result of specimen testing for Shiga
toxin using another test at the CDC?
90
OtherCdcTest
Character
30
For other pathogens: What was the result of specimen testing using another
test at CDC?
For possible E.coli cases: What was the result of specimen testing for Shiga
toxin using another test at a clinical laboratory?
91
OtherClinicTest
Character
30
For other pathogens: What was the result of specimen testing using another
test at a clinical laboratory?
92
OtherClinicTestType
Character
100
Name of other test used at a clinical laboratory
For possible E.coli cases: What was the result of specimen testing for Shiga
toxin using another test at a state public health laboratory?
93
OtherSphlTest
Character
30
For other pathogens: What was the result of specimen testing using another
test at a state public health laboratory?
99
OutFetal
Character
For other pathogens: Name of other test used at a state public health
laboratory
Still pregnant;
Fetal death;
Delivery
Unknown;
Campylobacter;
Cyclospora;
Site
FoodNet Variable List, 2024
(Site-transmitted variables)
Variable Name
Format
Length
Description
100
Pathogen
Character
40
Name of bacterial pathogen identified from the case-patient’s specimen
101
PatID
Character
30
Unique ID for case-patient's infection
For possible E. coli cases: What was the result of specimen testing for Shiga
toxin using PCR at CDC?
102
PcrCdc
Character
30
For Vibrio , what was the result of specimen testing using PCR at CDC?
(where goal of testing is primary detection not subtyping or speciation)
For other pathogens: What was the result of specimen testing for diagnosis
using PCR at CDC? (Do not enter PCR results if PCR was performed for
speciation or subtyping).
For possible E. coli cases: What was the result of specimen testing for Shiga
toxin using PCR at a clincal laboratory?
For Campylobacter, Cyclospora, Salmonella, Shigella, Yersinia : What was
the result of specimen testing using PCR at a clinical laboratory? (where
goal of testing is primary detection not subtyping or speciation)
103
PcrClinic
Character
30
For Vibrio , what was the result of specimen testing using PCR at a clinical
laboratory? (where goal of testing is primary detection not subtyping or
speciation)
For specimens that were culture-confirmed Shigella and Shiga toxin-positive
by PCR: What was the result of specimen testing using PCR at a clinical
laboratory? (For specimens that were not culture-confirmed or were only
positive for Shigella , indicate "positive" under Shigella section above)
104
PcrClinicTestType
Character
100
Name of PCR assay used at a clinical lab
For possible E. coli cases: What was the result of specimen testing for Shiga
toxin using PCR at a state public health laboratory?
For other pathogens: What was the result of specimen testing for diagnosis
using PCR at the state public health laboratory? (Do not enter PCR results if
PCR was performed for speciation or subtyping).
105
PcrSphl
Character
30
For Vibrio , what was the result of specimen testing using PCR at a state
public health laboratory? (where goal of testing is primary detection not
Answers (Legal Values)
STEC;
ETEC;
Listeria;
Salmonella;
Shigella;
Vibrio;
Yersinia;
Varies by state
Stx1;
Stx2;
Stx1&2;
Stx Undiff;
Negative;
Not Tested
Vibrios
V cholerae
V parahaemolyticus
Vibrios&V cholerae
Negative
Not Tested
Positive;
Negative;
Not tested
Stx1;
Stx2;
Stx1&2;
Stx Undiff;
Negative;
Not Tested
Positive;
Negative;
Not tested
Vibrios
V cholerae
V parahaemolyticus
Vibrios&V cholerae
Negative
Not Tested
Shigella /Stx undiff
Shigella /Stx1
Shigella /Stx2
Shigella /Stx1&2
BioCode Gastrointestinal Pathogen Panel (GPP);
Biofire Filmarray Gastrointestinal (GI);
Biofire Filmarray Meningitis/Encephalitis (ME);
Biofire Filmarray Blood Culture Identification (BCID);
Biofire Filmarray Blood Culture Identification 2 (BCID2);
BD Max Enteric Bacterial;
BD Max Extended Enteric Bacterial;
Diatherix Gastrointestinal;
Genmark E Plex BCID
Great Basin Scientific Stool
Hologic Prodesse ProGastro SSCS;
Karius Test
Luminex Gram-Positive Blood Culture;
Luminex Verigene Enteric Pathogens;
Luminex xTag Gastrointestinal Pathogens;
Medical Diagnostics;
Vikor Scientific Gastro-ID
Lab-developed test
Unknown
Stx1;
Stx2;
Stx1&2;
Stx Undiff;
Negative;
Not Tested
Positive
Negative
Not tested
Vibrios
V cholerae
V parahaemolyticus
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Category
Included in standard
data requests?
Site
Collect for all cases. Prior to 2011,
called 'Isolate'.
1996-current
Lab Information
YES
Site
Collect for all cases
1996-current
ID field
NO
Site
Collect for all pathogens for which
culture-independent results are
available.
2009-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens for which
culture-independent results are
available.
2010-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens detected by
PCR in a clinical lab
2011-current
Culture-Independent
Testing
YES
Site
Collect for all pathogens for which
culture-independent results are
available.
2009-current
Culture-Independent
Testing
YES
FoodNet Variable List, 2024
(Site-transmitted variables)
Variable Name
Format
Length
Description
Answers (Legal Values)
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Category
Included in standard
data requests?
Culture-Independent
Testing
YES
public health laboratory? (where goal of testing is primary detection not
subtyping or speciation)
106
PcrSphlTestType
Character
100
107
PersonID
Character
30
Vibrios&V cholerae
Negative
Not Tested
For specimens that were culture-confirmed Shigella and Shiga toxin-positive Shigella /Stx undiff
by PCR: What was the result of specimen testing using PCR at a clinical
Shigella /Stx1
laboratory? (For specimens that were not culture-confirmed or were only
Shigella /Stx2
positive for Shigella , indicate "positive" under Shigella section above)
Shigella /Stx1&2
BioCode Gastrointestinal Pathogen Panel (GPP);
Biofire Filmarray Gastrointestinal (GI);
Biofire Filmarray Meningitis/Encephalitis (ME);
Biofire Filmarray Blood Culture Identification (BCID);
Biofire Filmarray Blood Culture Identification 2 (BCID2);
BD Max Enteric Bacterial;
BD Max Extended Enteric Bacterial;
Diatherix Gastrointestinal;
Genmark E Plex BCID
Name of PCR assay used at a state public health lab
Great Basin Scientific Stool
Hologic Prodesse ProGastro SSCS;
Karius Test
Luminex Gram-Positive Blood Culture;
Luminex Verigene Enteric Pathogens;
Luminex xTag Gastrointestinal Pathogens;
Medical Diagnostics;
Vikor Scientific Gastro-ID
Lab-developed test
Unknown
Identification number for person or patient
Varies by state
108
Pregnant
Character
7
Is this Listeria case pregnancy-associated?
109
Race
Character
1
Case-patient's race
110
111
ResultID
RptComp
Character
Character
30
7
Unique identifier for laboratory result
Is all of the information for this case complete?
112
SentCDC
Character
7
Was specimen or isolate forwarded to CDC or testing or confirmation OR
was there a request for analysis of sequence data to CDC?
113
SeroSite
Character
100
114
Sex
Character
1
Case-patient's sex
115
SiteID
Character
10
Site identification number
116
117
SLabsID
SpeciesClinic
Character
Character
30
100
Serotype/species of pathogen identified by culture, submitted by site
Yes; No; Unknown
A (Asian);
B (Black);
I (American Indian or Alaskan Native);
M (Multi-Racial);
O (Other);
P (Pacific Islander or Native Hawaiian);
W (White);
U (Unknown)
Varies by state
Yes; No; Unknown
Yes; No; Unknown
For Campylobacter: n/a.
For Listeria : 1; 1/2a; 1/2b; 1/2c; 3a; 3b; 3c; 4; 4b; Untypeable; Unknown
For Salmonella : See Kaufmann-White scheme
For Shigella : boydii; dysenteria;, flexneri; sonnei
For Vibrio : alginolyticus; cholerae; cincinnatiensis; damsela; fluvialis; furnissii; harveyi; hollisae;
metschnikovi; mimicus; parahaemolyticus; vulnificus; Unknown
For Yersinia : ldovae; bercovieri;enterocolitica; frederiksenii; intermedia; kristensenii; mollaretii;
pseudotuberculosis; rohdei; ruckeri; Unknown.
M (Male); F (Female); U (Unknown)
California – CDA2, CDA201, CDA20101, CDA20102, CDA20103, CDA202, CDA203, CDA6;
Colorado – CDCO;
Connecticut – CDA5,
GA GOA – CDGE;
GA MSA – CDA1, CDA101;
Maryland – CDE1;
Minnesota – CDMN;
New Mexico – CDNM;
New York – CDNF;
Oregon – CDOR;
Tennessee – CDTN
Site
Collect for all pathogens detected by
PCR in a state public health lab
2015-current
Site
Collect for all cases
2008-current
Site
Collect for Listeria cases
1996-current
Site
Collect for all cases
1996-current
Demographics
YES
Site
Site
Collect for all cases
Collect for all cases
2008-current
1996-current
ID field
Other
NO
YES
Site
Collect for all cases
2009-current
Lab Information
YES
Site
Collect for Salmonella, Listeria,
Shigella, Vibrio, Yersinia
1996-current
Subtyping Information
NO
Site
Collect for all cases
1996-current
Demographics
YES
Site
Collect for all cases
1996-current
ID field
NO
1996-current
Lab Information
NO
2010-current
Subtyping Information
NO
State lab identification number
Varies by state
Site
Collect for all cases for which the
isolate was sent to a state public health
lab
For Campylobacter, what was the species result at clinical lab?
For Campylobacter : jejuni; jejuni subsp jejuni; jejuni subsp. doylei; coli; ,lari; lari subsp. concheus; lari
subsp. lari; upsaliensis;,helveticus; fetus; fetus subsp fetus; fetus subsp venerealis;hyointestinalis;
hyointestinalis subsp. hyointestinalis; hyointestinalis subsp. lawsonii; sputorum; sputorum bv sputorum;
sputorum bv paraureolyticus; lanienae; mucosalis;insulaenigrae; concisus; curvus; rectus;
showae;gracilis; canadenesis; peloridis;avium; cuniculorum; hominis; ureolyticus; Unknown; Not tested.
Site
Collect for Campylobacter
ID field
Pathogen-specific
(Listeria)
NO
YES
FoodNet Variable List, 2024
(Site-transmitted variables)
Variable Name
118
SpeciesSphl
Format
Character
Length
100
Description
For Campylobacter , what was the species result at SPHL?
Answers (Legal Values)
For Campylobacter: jejuni; jejuni subsp jejuni; jejuni subsp. doylei; coli; ,lari; lari subsp. concheus; lari
subsp. lari; upsaliensis;,helveticus; fetus; fetus subsp fetus; fetus subsp venerealis;hyointestinalis;
hyointestinalis subsp. hyointestinalis; hyointestinalis subsp. lawsonii; sputorum; sputorum bv sputorum;
sputorum bv paraureolyticus; lanienae; mucosalis;insulaenigrae;concisus; curvus; rectus;
showae;gracilis; canadenesis; peloridis;avium; cuniculorum; hominis; ureolyticus; Unknown; Not tested.
Abscess;
Amniotic fluid;
Blood;
Bone;
CSF;
Ear;
Gall bladder;
Genitals;
Joint;
Lung;
Peritoneal fluid;
Placenta;
Rectal swab;
Sputum;
Stool;
Urine;
Wound;
Unknown
CA; CO; CT; GA; MD; MN; NM; NY; OR; TN
1-99
999 = NM
1-999
‘555'=not O157, O antigen pending or at CDC
’666'=not O157, O antigen unknown
‘777'=O antigen undetermined
‘888'=O antigen not tested
'999'=O antigen rough
Sent by Site or
Created at CDC
Comment
Year(s) for which variable is
available
Category
Included in standard
data requests?
Site
Collect for Campylobacter
2010-current
Subtyping Information
NO
Site
Collect for all cases. If specimen
source is something other than listed in
legal values, please specify. Do not
code as 'other'.
1996-current
Lab Information
NO
Site
Collect for all cases
1996-current
YES
Site
Collect for E.coli cases
1996-current
Demographics
Pathogen-specific
(E.coli)
Site
Collect for E.coli cases
1996-current
Pathogen-specific
(E.coli)
NO
119
SpecSite
Character
60
Case patient's specimen collection source
120
State
Character
2
Case patient's state of residence
121
StecHAg
Character
30
If E. coli , what was the H-antigen number for the isolate?
122
StecOAg
Character
30
If E. coli, what was the O-antigen number for the isolate?
123
StecStx
Character
40
Was E. coli isolate Shiga toxin-producing?
Yes; No; Unknown; Not Tested
Site
Collect for E.coli cases
1996-current
Pathogen-specific
(E.coli)
NO
7
Was the isolate sent to a state public health laboratory? (Answer 'Yes' if it
was sent to any state lab, even if it was sent to a lab outside of the case's
state of residence)
Yes; No; Unknown
Site
Collect for all cases
1996-current
Lab Information
YES
2004-current
Travel
YES
124
125
StLabRcvd
TravelDest
Character
Text Field
NO
70
If case-patient traveled internationally, to where did they travel?
List country, or countries, visited
Site
Collect for cases that reported
international travel during incubation
period
Did the case patient travel internationally? (within 30 days of onset for
Salmonella Typhi, Paratyphi & Listeria , 14 days for Cyclospora , and 7
days for all other pathogens)
Yes; No; Unknown
Site
Collect for all cases
2004-current
Travel
YES
126
TravelInt
Character
7
127
WGS_ID
Character
100
WGS ID Number
Varies by state: from pulsenet or NCBI
Site
Collect for all cases that were WGS
2018-current
Lab Information
NO
128
Zipcode
Character
10
Case-patient's zipcode
5 digit zipcode; 5 digit plus 4, if available.
Site
Collect for all cases
1996-current
Demographics
NO
| File Type | application/pdf |
| Author | Huang, Jennifer (CDC/OID/NCEZID) (CTR) |
| File Modified | 2023-08-10 |
| File Created | 2023-08-10 |