Year

State

Month

Etiological Class

Etiological Agent

# Cases

Type of System

Deficiency

1976

AK

Aug.

Bacterial

Shigella flexneri

25

C

1

1976

AR

July

Bacterial

Salmonella javiana

7

NC

3

1976

AR

July

AGI

AGI

51

NC

3

1976

CA

July

AGI

AGI

2

C

5

1976

CA

May

AGI

AGI

46

C

2

1976

CA

May

AGI

AGI

60

NC

4

1976

CO

May

AGI

AGI

10

NC

2

1976

CO

Feb.

Parasitic

Giardia lamblia

12

NC

1

1976

CO

June

Parasitic

Giardia lamblia

27

NC

1

1976

CO

Dec.

AGI

AGI

110

NC

3

1976

CT

June

AGI

AGI

300

NC

2

1976

FL

Nov.

AGI

AGI

31

C

2

1976

ID

June

AGI

AGI

100

NC

2

1976

MA

July

AGI

AGI

18

NC

2

1976

PA

Oct.

AGI

AGI

24

I

1

1976

PA

Aug.

AGI

AGI

10

NC

2

1976

PA

July

AGI

AGI

18

NC

2

1976

PA

Nov.

AGI

AGI

66

NC

3

1976

PR

July

Bacterial

Shigella sonnei

2,150

C

3

1976

TN

Mar.

Chemical

SOCs

13

C

4

1976

VT

Feb.

AGI

AGI

150

C

3

1976

WA

May

Parasitic

Giardia lamblia

600

C

3

1977

CA

July

Chemical

Developing Fluid

531

C

4

1977

CA

Dec.

AGI

AGI

6

C

5

1977

CT

Oct.

Chemical

copper

3

C

4

1977

IA

July

Bacterial

Salmonella typhimurium

206

C

3

1977

MI

Nov.

Chemical

fluoride

4

C

3

1977

VT

Mar.

Chemical

copper

74

C

4

1977

WY

July

AGI

AGI

402

C

3

1977

CA

Sept.

AGI

AGI

12

I

2

1977

WA

July

AGI

AGI

12

I

1

1977

CA

July

AGI

AGI

63

NC

3

1977

CA

July

AGI

AGI

203

NC

3

1977

CA

Aug.

AGI

AGI

75

NC

2

1977

IL

May

AGI

AGI

154

NC

2

1977

ME

July

AGI

AGI

91

NC

2

1977

MN

June

AGI

AGI

13

NC

2

1977

MT

July

Parasitic

Giardia lamblia

55

NC

1

1977

UT

June

Parasitic

Giardia lamblia

7

NC

2

1978

CO

Apr.

Parasitic

Giardia lamblia

5,000

C

3

1978

CT

Nov.

Chemical

copper

12

C

4

1978

MD

July

Bacterial

Shigella flexneri

22

C

3

1978

MN

Oct.

AGI

AGI

137

C

4

1978

NY

Nov.

Parasitic

Giardia lamblia

130

C

3

1978

OR

May

Bacterial

Shigella sonnei

34

C

2

1978

OR

July

AGI

AGI

174

C

3

1978

PA

Nov.

AGI

AGI

200

C

4

1978

SC

Sept.

Bacterial

Salmonella Group B

78

C

3

1978

VT

May

Bacterial

Campylobacter jejuni

3,000

C

3

1978

NY

Sept.

AGI

AGI

3

I

1

1978

NY

Oct.

AGI

AGI

5

I

1

1978

TN

June

AGI

AGI

5

I

2

1978

UT

July

Parasitic

Giardia lamblia

18

I

1

1978

CO

June

AGI

AGI

350

NC

2

1978

HI

July

Bacterial

Salmonella weltevreden

11

NC

4

1978

ID

Nov.

AGI

AGI

27

NC

2

1978

ME

Aug.

AGI

AGI

70

NC

2

1978

MO

May

AGI

AGI

750

NC

2

1978

NB

June

AGI

AGI

23

NC

5

1978

NM

Nov.

Chemical

fluoride

34

NC

4

1978

NY

May

Bacterial

Shigella

23

NC

2

1978

NY

July

AGI

AGI

55

NC

3

1978

NY

Sept.

AGI

AGI

11

NC

3

1978

PA

Feb.

AGI

AGI

91

NC

4

1978

PA

Apr.

AGI

AGI

50

NC

2

1978

PA

May

Viral

Norwalk-like

350

NC

3

1978

PA

June

Bacterial

Shigella sonnei

99

NC

2

1978

PA

July

Viral

Norwalk-like

120

NC

3

1978

PA

Aug.

AGI

AGI

63

NC

2

1978

WA

May

Viral

Norwalk-like

467

NC

4

1978

WA

Aug.

Parasitic

Giardia lamblia

23

NC

1

1979

VT

Jan.

Chemical

copper

3

C

4

1979

CO

Mar.

Parasitic

Giardia lamblia

4

C

3

1979

CO

May

Parasitic

Giardia lamblia

10

C

3

1979

VA

Oct.

Chemical

SOCs

10

C

4

1979

NH

May

Parasitic

Giardia lamblia

18

C

3

1979

CO

June

AGI

AGI

18

C

4

1979

WV

July

Bacterial

Shigella

19

C

4

1979

WA

July

AGI

AGI

23

C

4

1979

CA

Apr.

Viral

Norwalk

25

C

3

1979

WV

June

AGI

AGI

30

C

4

1979

CO

Nov.

Parasitic

Giardia lamblia

38

C

3

1979

CA

May

AGI

AGI

46

C

2

1979

VT

Mar.

Chemical

copper

74

C

4

1979

SC

Dec.

AGI

AGI

104

C

3

1979

CT

July

Parasitic

Giardia lamblia

120

C

4

1979

NY

June

Bacterial

Campylobacter jejuni

172

C

5

1979

CO

July

AGI

AGI

258

C

4

1979

PA

Oct.

Parasitic

Giardia lamblia

366

C

3

1979

MT

June

Parasitic

Giardia lamblia

780

C

3

1979

CT

Sept.

Bacterial

Campylobacter

800

C

5

1979

FL

May

Bacterial

Campylobacter

871

C

5

1979

CO

July

AGI

AGI

5

NC

2

1979

PA

Mar.

AGI

AGI

5

NC

3

1979

OH

July

AGI

AGI

28

NC

5

1979

PA

July

AGI

AGI

31

NC

2

1979

CO

Aug.

AGI

AGI

34

NC

2

1979

PA

July

AGI

AGI

50

NC

2

1979

PA

May

AGI

AGI

51

NC

2

1979

PA

Nov.

AGI

AGI

66

NC

3

1979

MN

May

AGI

AGI

70

NC

5

1979

IL

May

AGI

AGI

154

NC

2

1979

PA

June

AGI

AGI

170

NC

3

1979

VT

Sept.

Chemical

fluoride

200

NC

2

1979

NM

June

AGI

AGI

233

NC

3

1979

CO

June

AGI

AGI

350

NC

2

1979

PR

June

AGI

AGI

500

NC

5

1979

TN

May

AGI

AGI

1,000

NC

3

1979

MN

Nov.

Chemical

Nitrate

1

I

5

1979

PA

Mar.

AGI

AGI

12

I

2

1979

VA

Jan.

Chemical

Arsenic

8

I

5

1979

WI

July

Bacterial

Shigella

4

I

2

1980

AK

Sept.

Parasite

Giardia lamblia

189

C

4

1980

CA

May

AGI

AGI

41

C

3

1980

CA

Jan.

Viral

Norwalk

190

C

3

1980

CO

Mar.

AGI

AGI

22

C

3

1980

CO

June

AGI

AGI

18

C

4

1980

CT

Sept.

Bacterial

Campylobacter

800

C

5

1980

GA

Aug.

Viral

Norwalk

1,500

C

5

1980

GA

Dec.

Chemical

Caustic

56

C

5

1980

MT

June

Parasite

Giardia lamblia

780

C

3

1980

NM

July

AGI

AGI

24

C

3

1980

OH

Aug.

AGI

AGI

738

C

3

1980

OR

June

Parasite

Giardia lamblia

63

C

3

1980

PA

Nov.

Chemical

SOCs

20

C

4

1980

PA

Dec.

Chemical

SOCs

2,000

C

5

1980

PA

July

AGI

AGI

90

C

3

1980

RI

Sept.

Chemical

SOCs

20

C

5

1980

TX

July

AGI

AGI

2,550

C

5

1980

TX

June

AGI

AGI

8,000

C

3

1980

VT

June

AGI

AGI

990

C

3

1980

WA

Jan.

Parasite

Giardia lamblia

79

C

4

1980

WA

Mar.

Parasite

Giardia lamblia

578

C

3

1980

WA

July

AGI

AGI

23

C

4

1980

WA

Sept.

AGI

AGI

46

C

4

1980

NM

June

Chemical

Nitrate

1

I

5

1980

PA

Dec.

Chemical

Copper

1

I

5

1980

PA

Oct.

Viral

Hepatitis

48

I

3

1980

TN

Aug.

AGI

AGI

5

I

3

1980

WA

July

AGI

AGI

12

I

2

1980

AZ

July

AGI

AGI

40

NC

2

1980

CO

July

AGI

AGI

5

NC

2

1980

CO

Aug.

AGI

AGI

38

NC

3

1980

CO

Aug.

AGI

AGI

34

NC

2

1980

IL

Apr.

AGI

AGI

30

NC

5

1980

IN

Aug.

Bacterial

Shigella

4

NC

2

1980

MD

July

Viral

Norwalk

127

NC

4

1980

MI

July

AGI

AGI

6

NC

1

1980

MI

Sept.

AGI

AGI

60

NC

2

1980

MN

June

AGI

AGI

30

NC

4

1980

NY

Aug.

Viral

Norwalk

42

NC

2

1980

OH

July

AGI

AGI

28

NC

4

1980

OH

Aug.

AGI

AGI

25

NC

3

1980

PA

Mar.

Parasite

Giardia lamblia

15

NC

3

1980

PA

July

Viral

Norwalk

55

NC

3

1980

PA

Aug.

AGI

AGI

139

NC

3

1980

PA

Apr.

AGI

AGI

12

NC

2

1980

SC

July

AGI

AGI

106

NC

2

1980

UT

June

AGI

AGI

105

NC

2

1980

VT

Sept.

Chemical

fluoride

200

NC

3

1980

WA

Sept.

Parasite

Giardia lamblia

20

NC

4

1981

AZ

June

AGI

AGI

326

C

2

1981

CO

Mar.

Viral

Rotavirus

1,761

C

3

1981

CO

June

Parasitic

Giardia lamblia

8

C

3

1981

CO

July

Parasitic

Giardia lamblia

30

C

3

1981

CO

Aug.

Parasitic

Giardia lamblia

110

C

3

1981

CO

Aug.

AGI

AGI

578

C

3

1981

CO

Nov.

Parasitic

Giardia lamblia

38

C

3

1981

CO

Dec.

Parasitic

Giardia lamblia

14

C

3

1981

CO

Dec.

Parasitic

Giardia lamblia

18

C

3

1981

IL

Sept.

Bacterial

Campylobacter

81

C

4

1981

PA

Nov.

Chemical

lead

84

C

5

1981

PA

Nov.

Chemical

copper

9

C

5

1981

VT

Oct.

Parasitic

Giardia lamblia

22

C

1

1981

WI

Sept.

Parasitic

Giardia lamblia

25

C

5

1981

PA

Jan.

Chemical

lead

3

I

5

1981

SD

Mar.

Chemical

nitrate

1

I

2

1981

CA

Apr.

AGI

AGI

61

NC

2

1981

CO

Sept.

Parasitic

Giardia lamblia

32

NC

3

1981

CT

Aug.

AGI

AGI

80

NC

2

1981

IA

June

AGI

AGI

14

NC

5

1981

KS

Aug.

AGI

AGI

100

NC

1

1981

ME

Oct.

Chemical

fluoride

31

NC

5

1981

MD

Aug.

AGI

AGI

72

NC

2

1981

NY

Aug.

AGI

AGI

400

NC

2

1981

OR

Feb.

AGI

AGI

40

NC

3

1981

PA

Apr.

AGI

AGI

9

NC

2

1981

PA

Apr.

AGI

AGI

35

NC

2

1981

PA

May

AGI

AGI

51

NC

2

1981

PA

July

AGI

AGI

97

NC

1

1981

PA

July

AGI

AGI

30

NC

3

1981

TX

Aug.

Bacterial

Vibrio cholerae type O1

17

NC

4

1981

WA

July

Bacterial

Shigella

253

NC

1

1982

AL

May

Viral

Norwalk

55

C

4

1982

AK

Nov.

AGI

AGI

35

C

2

1982

CA

Apr.

Viral

Norwalk

25

C

3

1982

CA

Apr.

Viral

Norwalk

170

C

4

1982

CO

Jan.

Parasitic

Giardia lamblia

10

C

3

1982

CO

Feb.

Parasitic

Giardia lamblia

17

C

3

1982

CO

Mar.

Parasitic

Giardia lamblia

4

C

3

1982

CO

Apr.

Parasitic

Giardia lamblia

8

C

3

1982

CO

July

Parasitic

Giardia lamblia

72

C

3

1982

CO

Aug.

AGI

AGI

36

C

4

1982

GA

Jan.

Viral

Norwalk

500

C

1

1982

GA

July

Viral

Hepatitis A

35

C

2

1982

IN

May

AGI

AGI

400

C

4

1982

KY

Nov.

Viral

Hepatitis A

58

C

2

1982

ME

Aug.

AGI

AGI

25

C

3

1982

NV

Aug.

Parasitic

Giardia lamblia

342

C

3,4

1982

NH

Oct.

Parasitic

Giardia lamblia

13

C

3

1982

OR

Sept.

Parasitic

Giardia lamblia

9

C

3

1982

VT

Oct.

Parasitic

Giardia lamblia

22

C

2

1982

VT

July

AGI

AGI

105

C

1

1982

WA

Mar.

AGI

AGI

68

C

3

1982

WV

July

Bacterial

Shigella

19

C

4

1982

AL

Sept.

Chemical

Benzene

16

I

5

1982

AK

Jan.

Chemical

copper

2

I

5

1982

GA

June

Viral

Hepatitis A

10

I

2

1982

ME

Oct.

AGI

AGI

50

I

2

1982

PA

Feb.

Bacterial

Yersinia

16

I

2

1982

VA

Apr.

Parasitic

Giardia lamblia

4

I

2

1982

AZ

May

AGI

AGI

24

NC

2

1982

CO

Aug.

Parasitic

Giardia lamblia

28

NC

3

1982

CO

Sept.

Parasitic

Giardia lamblia

32

NC

1

1982

NC

Sept.

Bacterial

Shigella

153

NC

3

1982

PA

Apr.

AGI

AGI

16

NC

3

1982

PA

June

AGI

AGI

48

NC

3

1982

PA

July

AGI

AGI

71

NC

2

1982

PA

July

AGI

AGI

31

NC

2

1982

PR

June

AGI

AGI

500

NC

3,4

1982

TX

Sept.

AGI

AGI

65

NC

1

1982

VT

July

AGI

AGI

340

NC

1

1982

VT

Feb.

AGI

AGI

22

NC

3

1983

CA

Nov.

Viral

Hepatitis A

6

C

1

1983

CO

Jan.

Parasitic

Giardia lamblia

4

C

3

1983

CO

Jan.

Parasitic

Giardia lamblia

11

C

3

1983

CO

Jan.

Parasitic

Giardia lamblia

17

C

3

1983

CO

Apr.

AGI

AGI

16

C

2

1983

CO

May

Parasitic

Giardia lamblia

10

C

3

1983

CO

June

AGI

AGI

8

C

3

1983

CO

June

Parasitic

Giardia lamblia

11

C

3

1983

CO

July

AGI

AGI

27

C

3

1983

CO

Oct.

Parasitic

Giardia lamblia

11

C

5

1983

FL

Mar.

Parasitic

Giardia lamblia

3

C

3

1983

FL

May

Bacterial

Campylobacter

871

C

5

1983

FL

June

AGI

AGI

52

C

2

1983

ID

Nov.

Parasitic

Giardia lamblia

44

C

1

1983

ID

Nov.

Parasitic

Giardia lamblia

71

C

1

1983

MT

July

Parasitic

Giardia lamblia

100

C

3

1983

NH

May

Parasitic

Giardia lamblia

7

C

3

1983

NM

Aug.

Parasitic

Giardia lamblia

100

C

3

1983

OK

Jan.

Bacterial

Salmonella

400

C

3

1983

PA

Oct.

Parasitic

Giardia lamblia

366

C

3

1983

PA

Oct.

Parasitic

Giardia lamblia

135

C

3

1983

TX

Aug.

AGI

AGI

3,400

C

3

1983

UT

Jan.

Parasitic

Giardia lamblia

41

C

4

1983

UT

Aug.

Parasitic

Giardia lamblia

1,272

C

4

1983

VT

Jan.

Chemical

copper

3

C

4

1983

WA

July

Bacterial

Salmonella

750

C

3

1983

WA

Sept.

AGI

AGI

79

C

2

1983

WV

Aug.

AGI

AGI

1,000

C

3

1983

WV

June

AGI

AGI

30

C

4

1983

KY

Sept.

Viral

Hepatitis A

150

I

2

1983

PA

Sept.

AGI

AGI

11

I

2

1983

TN

June

Viral

Hepatitis A

8

I

2

1983

VA

June

Parasitic

Giardia lamblia

4

I

2

1983

WI

July

Bacterial

Shigella

12

I

2

1983

IA

Aug.

AGI

AGI

92

NC

2

1983

PA

June

AGI

AGI

11,400

NC

3

1983

PA

Aug.

AGI

AGI

25

NC

2

1983

PA

Aug.

AGI

AGI

200

NC

2

1983

PA

Oct.

AGI

AGI

146

NC

2

1983

UT

Aug.

AGI

AGI

12

NC

2

1984

AK

Sept.

Parasitic

Giardia lamblia

3

I

2

1984

AK

Oct.

Parasitic

Giardia lamblia

123

I

3

1984

CA

Nov.

Chemical

copper

1

I

4

1984

CO

Nov.

Parasitic

Giardia lamblia

13

C

3

1984

CO

Mar.

Parasitic

Giardia lamblia

400

NC

3

1984

CO

Aug.

AGI

AGI

50

C

3

1984

ID

Mar.

Bacterial

Campylobacter

6

C

3

1984

MA

Sept.

Viral

Hepatitis A

7

I

2

1984

MN

Mar.

Bacterial

Campylobacter

9

I

2

1984

MO

Oct.

AGI

AGI

107

C

4

1984

MO

June

Parasitic

Entamoeba

4

C

2

1984

MO

June

AGI

AGI

2

I

2

1984

NC

Feb.

Chemical

copper

1

I

5

1984

NY

June

Bacterial

Campylobacter

4

NC

2

1984

OR

July

Bacterial

Campylobacter

22

C

3

1984

OR

July

Parasitic

Giardia lamblia

42

C

3

1984

OR

Aug.

AGI

AGI

20

C

4

1984

PA

Feb.

Parasitic

Giardia lamblia

298

C

3

1984

PA

May

AGI

AGI

8

I

2

1984

PA

Aug.

AGI

AGI

98

NC

2

1984

PA

Sept.

AGI

AGI

34

I

2

1984

PA

Oct.

AGI

AGI

18

I

2

1984

TX

May

Viral

Norwalk

251

C

3

1984

TX

July

Parasitic

Cryptosporidium parvum

117

C

3

1984

WI

Mar.

AGI

AGI

89

NC

4

1984

VA

Mar.

Chemical

crude oil

28

C

5

1985

AR

Apr.

Bacterial

Campylobacter

19

NC

2

1985

IL

July

AGI

AGI

18

NC

2

1985

MA

Nov.

Parasitic

Giardia lamblia

703

C

2

1985

NY

Feb.

Parasitic

Giardia lamblia

6

NC

4

1985

NY

Aug.

AGI

AGI

19

NC

3

1985

OK

Sept.

AGI

AGI

59

NC

2

1985

PA

Aug.

Bacterial

Shigella

27

NC

2

1985

PR

Aug.

AGI

AGI

274

C

3

1985

VA

Apr.

Parasitic

Giardia lamblia

32

NC

2

1985

VI

June

Bacterial

Salmonella typhi

60

C

4

1985

VT

Aug.

AGI

AGI

21

C

3

1985

VT

Nov.

AGI

AGI

105

NC

2

1985

VT

Nov.

AGI

AGI

19

NC

2

1985

WA

July

AGI

AGI

18

I

2

1985

WI

Sept.

Bacterial

Campylobacter

150

C

4

1985

WY

Apr.

Chemical

Chlorine

31

C

4

1983

NM

June

AGI

AGI

113

NC

2

1984

NY

Jan.

AGI

AGI

24

I

5

1984

NY

Sept.

AGI

AGI

34

I

5

1985

AR

Mar.

Bacterial

Campylobacter jejuni

24

NC

2

1985

NY

Mar.

Chemical

Ethylene Glycol

1

C

4

1985

NY

June

AGI

AGI

4

NC

2

1985

PA

May

AGI

AGI

70

NC

3

1985

PA

Sept.

AGI

AGI

275

NC

2

1985

PA

Nov.

AGI

AGI

11

NC

3

1986

AL

July

Bacterial

Shigella sonnei

25

C

2

1986

AL

Oct.

Chemical

Sodium Hydroxide

11

C

4

1986

CA

Apr.

Parasitic

Giardia lamblia

127

C

4

1986

CO

June

AGI

AGI

90

NC

2

1986

CO

Aug.

Parasitic

Giardia lamblia

23

NC

3

1986

CT

Mar.

Chemical

Fluoride-Copper

52

C

3

1986

ME

Nov.

Parasitic

Giardia lamblia

12

C

3

1986

MS

Aug.

Bacterial

Salmonella, mixed

9

C

2

1986

NM

June

AGI

AGI

36

NC

3

1986

NM

June

AGI

AGI

233

NC

3

1986

NY

Nov.

Parasitic

Giardia lamblia

44

C

3

1986

OK

May

Bacterial

Campylobacter

250

C

4

1986

PA

Sept.

AGI

AGI

213

NC

3

1986

SD

June

Chemical

Nitrate

1

I

2

1986

SD

Aug.

Viral

Norwalk

135

NC

3

1986

TX

July

Bacterial

Shigella sonnei

8

I

2

1986

UT

June

Bacterial

Salmonella

61

C

4

1986

VA

July

AGI

AGI

110

NC

3

1986

VT

Jan.

Parasitic

Giardia lamblia

68

C

3

1986

VT

Feb.

AGI

AGI

37

NC

3

1986

VT

Mar.

AGI

AGI

8

NC

3

1986

WY

July

AGI

AGI

16

NC

3

1987

CT

July

Parasitic

Giardia lamblia

120

C

4

1987

GA

Jan.

Parasitic

Cryptosporidium parvum

13,000

C

3

1987

IL

July

AGI

CGI

72

NC

2

1987

ME

Sept.

AGI

AGI

9

NC

2

1987

Multiple

Sept.

Viral

Norwalk-like

5,000

NC

3

1987

ND

Apr.

Chemical

Ethylene Glycol

29

C

4

1987

NH

July

AGI

AGI

71

NC

1

1987

PA

Apr.

Parasitic

Giardia lamblia

513

C

3

1987

PA

July

AGI

AGI

53

NC

5

1987

PA

Aug.

AGI

AGI

22

NC

2

1987

PA

Sept.

AGI

AGI

0

I

2

1987

PR

July

AGI

AGI

1,400

C

3

1987

PR

Oct.

Bacterial

Shigella sonnei

1,800

C

3

1987

VT

July

AGI

AGI

21

C

2

1987

WI

Mar.

AGI

AGI

39

C

5

1988

CO

Feb.

Parasitic

Giardia lamblia

90

C

3

1988

CO

Apr.

Chemical

Alkaline Water

10

C

3

1988

CO

July

AGI

AGI

80

NC

3

1988

CO

Nov.

AGI

AGI

7

C

1

1988

ID

June

Viral

Norwalk-like

339

NC

2

1988

ME

Nov.

AGI

AGI

7

NC

2

1988

MO

Mar.

AGI

AGI

85

I

2

1988

MO

Aug.

AGI

AGI

30

NC

2

1988

OK

Nov.

AGI

CGI

22

C

3

1988

PA

July

Parasitic

Giardia lamblia

172

C

3

1988

PA

Sept.

AGI

AGI

26

NC

2

1988

SD

July

AGI

AGI

42

NC

3

1988

TX

May

Bacterial

Shigella sonnei

900

NC

3

1988

WA

Sept.

Viral

Hepatitis A

9

C

3

1988

WI

May

AGI

AGI

340

NC

2

1990

AK

March

Parasitic

Giardia lamblia

18

NC

1

1989

AL

Sept.

AGI

AGI

700

C

2

1990

AR

July

AGI

AGI

75

Ind.

2

1989

AZ

April

Viral

Norwalk-like

900

NC

3

1990

CA

Feb.

AGI

AGI

12

NC

3

1989

CO

Feb.

Parasitic

Giardia lamblia

19

C

3

1990

CO

Aug.

Parasitic

Giardia lamblia

123

C

3

1989

ID

Aug.

AGI

AGI

31

Ind.

1

1990

IL

July

Parasitic

CLB (possible)

21

C

4

1989

ME

April

AGI

AGI

54

NC

3

1990

MN

Aug.

AGI

AGI

150

NC

4

1990

MN

Feb.

AGI

AGI

76

NC

2

1989

MO

Dec.

Bacterial

E.Coli O157:H7

243

C

4

1990

MO

May

AGI

AGI

109

C

3

1990

MO

July

AGI

AGI

52

NC

3

1989

NJ

July

AGI

AGI

8

NC

3

1989

NY

April

Parasitic

Giardia lamblia

308

C

3

1989

NY

June

Parasitic

Giardia lamblia

152

NC

3

1989

NY

July

Parasitic

Giardia lamblia

53

C

3

1989

PA

July

AGI

AGI

50

NC

2

1990

PA

May

Viral

Hepatitis A

22

Ind.

2

1990

PA

Nov.

Viral

Hepatitis A

3

C

3

1990

PA

Dec.

AGI

AGI

63

C

5

1990

TN

May

AGI

AGI

1,000

NC

3

1989

VT

June

AGI

AGI

22

C

2

1990

VT

March

Parasitic

Giardia lamblia

24

NC

3

1991

CA

July

Parasitic

Giardia lamblia

15

NC

4

1991

IL

May

AGI

AGI

386

NC

5

1991

MI

June

AGI

AGI

1,320

NC

2

1991

MI

August

AGI

AGI

33

NC

2

1991

MN

June

AGI

AGI

30

NC

2

1991

MN

July

AGI

AGI

30

NC

4

1991

MN

August

AGI

AGI

17

NC

2

1991

NM

August

AGI

AGI

38

NC

2

1991

PA

June

AGI

AGI

170

NC

3

1991

PA

July

AGI

AGI

8

NC

3

1991

PA

September

Parasitic

Giardia lamblia

13

NC

3

1991

PA

August

Parasitic

Cryptosporidium parvum

551

NC

3

1991

PA

June

AGI

AGI

300

NC

3

1991

PR

August

AGI

AGI

202

C

4

1991

PR

August

AGI

AGI

9,847

C

3

1992

AK

May

Chemical

Fluoride

262

C

3

1992

ID

March

Parasitic

Giardia lamblia

15

C

2

1992

MN

February

AGI

AGI

250

NC

3

1992

NV

March

Parasitic

Giardia lamblia

80

C

3

1992

NY

April

AGI

AGI

107

NC

4

1992

NC

January

AGI

AGI

200

NC

2

1992

OH

June

AGI

AGI

129

NC

4

1992

OR

February

Parasitic

Cryptosporidium parvum

1,500

C

3

1992

OR

May

Parasitic

Cryptosporidium parvum

1,500

C

3

1992

PA

March

AGI

AGI

5

NC

3

1992

PA

May

AGI

AGI

28

C

5

1992

PA

June

AGI

AGI

38

I

2

1992

PA

June

AGI

AGI

42

NC

3

1992

PA

May

AGI

AGI

57

NC

3

1992

PA

August

AGI

AGI

80

NC

3

1992

PA

May

AGI

AGI

50

C

5

1992

WA

June

Viral

Hepatitis A

10

I

2

1992

WI

June

Chemical

Nitrate

1

I

3

1992

WY

July

Bacterial

Shigella sonnei

150

NC

2

1992

MN

May

AGI

AGI

70

NC

5

1992

MO

January

Bacterial

Shigella sonnei

5

I

4

1992

MO

April

Viral

Hepatitis A

46

NC

2

1992

PA

May

AGI

AGI

50

NC

3

1992

MO

July

Bacterial

Shigella sonnei

11

NC

4

1992

WI

January

Chemical

Copper

24

C

4

1992

WI

September

Chemical

Copper

8

C

4

1992

WI

December

Chemical

Copper

6

C

5

1993

AZ

July

Chemical

Lead

1

I

4

1993

AZ

August

Chemical

Lead

1

I

4

1993

CA

November

Chemical

Lead

1

I

4

1993

HI

October

Chemical

Fluoride

9

C

4

1993

IN

?

Chemical

Nitrate

3

I

2

1993

MN

August

Parasitic

Cryptosporidium parvum

27

NC

5

1993

MN

November

Bacterial

Campylobacter jejuni

32

NC

4

1993

MO

November

Bacterial

Salmonella serotype typhimurium

625

C

4

1993

MS

August

Chemical

Fluoride

34

C

3

1993

NV

December

Parasitic

Cryptosporidium parvum

103

C

5

1993

NY

June

Bacterial

Campylobacter jejuni

172

C

5

1993

PA

January

Parasitic

Giardia lamblia

20

C

3

1993

PA

March

AGI

AGI

65

NC

3

1993

PA

March

AGI

AGI

43

C

4

1993

SD

September

AGI

AGI

40

NC

2

1994

SD

October

Parasitic

Giardia lamblia

7

C

2

1993

WA

April

Parasitic

Cryptosporidium parvum

7

I

2

1993

WI

March

Parasitic

Cryptosporidium parvum

403,000

C

3

1994

ID

June

Bacterial

Shigella flexneri

33

I

2

1994

IN

?

Chemical

Nitrate

1

I

2

1994

IN

March

AGI

AGI

118

NC

2

1994

ME

August

AGI

AGI

72

NC

2

1994

MN

June

Bacterial

Campylobacter jejuni

19

NC

2