FSIS

U.S. Department of Agriculture
Food Safety and Inspection Service
Washington, DC 20250



Foodborne Diseases Active Surveillance Network (FoodNet)


TABLES AND CHARTS


Text

Table 1: Percent Pathogen by Site

Table 2: Percent Site by Pathogen

Table 3: Cases per 100,000 by Pathogen for all Sites (1996 vs 1997)

Table 4: Pathogen by Month - All Sites

Chart 1: Pathogen by Month - All Site

Tables 5-7


Table 1: Percent Pathogen by Site
From January 1, 1997 to December 31, 1997

Pathogen

Site

 

Campylo-
bacter

E. coli
0157

Listeria

Salmon-
ella

Shigella

Vibrio

Yersinia

Total

                   

California

Cases

1,032

19

13

370

291

30

34

1,789

Percent

57.7%

1.1%

0.7%

20.7%

16.3%

1.7%

1.9%

100%

                   

Connecticut

Cases

528

34

12

412

77

4

15

1,082

 

Percent

48.8%

3.1%

1.1%

38.1%

7.1%

0.4%

1.4%

100%

                   

Georgia

Cases

493

8

20

473

574

2

43

1,613

 

Percent

30.6%

0.5%

1.2%

29.3%

35.6%

0.1%

2.7%

100%

                   

Minnesota

Cases

1,176

199

18

619

138

2

31

2,183

 

Percent

53.9%

9.1%

0.8%

28.4%

6.3%

0.1%

1.4%

100%

                   

Oregon

Cases

737

80

13

330

177

12

15

1,364

 

Percent

54.0%

5.9%

1.0%

24.2%

13.0%

0.9%

1.1%

100%

                   

Total

Cases

3,966

340

76

2,204

1,257

50

138

8,031

 

Percent

49.4%

4.2%

0.9%

27.4%

15.7%

0.6%

1.7%

100%

This table shows the number of actual cases of illness caused by each pathogen in each site. Note that Campylobacter is the most frequently found pathogen.

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Table 2: Percent Site by Pathogen
From January 1, 1997 to December 31, 1997

Pathogen  

CA

CT

GA

MN

OR

Total

               

Campylobacter

Cases

1,032

528

493

1,176

737

3,966

 

Percent

26.0%

13.3%

12.4%

29.7%

18.6%

100.0%

               

E. coli O157

Cases

19

34

8

199

80

340

 

Percent

5.6%

10.0%

2.4%

58.5%

23.5%

100.0%

               

Listeria

Cases

13

12

20

18

13

76

 

Percent

17.1%

15.8%

26.3%

23.7%

17.1%

100.0%

               

Salmonella

Cases

370

412

473

619

330

2,204

 

Percent

16.8%

18.7%

21.5%

28.1%

15.0%

100.0%

               

Shigella

Cases

291

77

574

138

177

1,257

 

Percent

23.2%

6.1%

45.7%

11.0%

14.1%

100.0%

               

Vibrio

Cases

30

4

2

2

12

50

 

Percent

60.0%

8.0%

4.0%

4.0%

24.0%

100.0%

               

Yersinia

Cases

34

15

43

31

15

138

 

Percent

24.6%

10.9%

31.2%

22.5%

10.9%

100.0%

               

Total

Cases

1,789

1,082

1,613

2,183

1,364

8,031

 

Percent

22.3%

13.5%

20.1%

27.2%

17.0%

100.0%


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Table 3: Cases per 100,000 by Pathogen for All Sites

 

1996*

1997

 

Rate per

 

Rate per

 
Pathogen

100,000

Total

100,000

Total

         

Campylobacter

23.5

3,359

24.9

3,966

         

E. coli O157

2.7

388

2.1

340

         

Listeria

0.4

64

0.5

76

         

Salmonella

14.5

2,069

13.8

2,204

         

Shigella

8.9

1,272

7.9

1,257

         

Vibrio

0.1

21

0.3

50

         

Yersinia

1.0

149

0.9

138

         

Total

51.3

7,322

50.4

8,031


*Figures represent final 1996 data.


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Table 4: Pathogen by Month - All Sites
From January 1, 1997 to December 31, 1997

Month

Pathogen

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Total

                           

Campylobacter

256

209

250

272

337

497

483

420

372

371

265

234

3,966

                           

E. coli O157

10

11

15

8

18

41

92

44

49

24

15

13

340

                           

Listeria

3

4

3

6

5

7

11

8

12

7

4

6

76

                           

Salmonella

171

123

135

209

172

201

235

265

253

176

131

133

2,204

                           

Shigella

81

76

74

104

88

106

112

171

134

108

97

106

1,257

                           

Vibrio

0

0

2

1

1

4

11

18

7

3

2

1

50

                           

Yersinia

18

11

8

12

15

7

8

10

11

6

8

24

138

                           

Total

539

434

487

612

636

863

952

936

838

695

522

517

8,031

This table shows the number of actual cases for all sites for each month in 1997. Note that July has the greatest number of cases, as was the case in 1996.

Chart 1:  Pathogen by Month - All Sites Chart 1:  Pathogen by Month - All Sites
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Last Updated On 04/21/1998.