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TABLE C.6 Distribution of Mild and Moderate Diarrheal Episodes by Etiology (percent)a

 

Age Group (years)

Pathogen

Under 2

2–4

Under 5

5–14

15–59

60 and Over

E. coli (enterotoxigenic)

25

20

22.5

25

20

20

Rotavirus

10

5

7

1

1

1

Salmonella

2

1

1

1

1

2

Shigella

5

10

8

10

10

15

aPercentages do not total 100 because some pathogens that cause diarrhea are not included due to poor vaccine prospects.

TABLE C.7 Distribution of Severe Diarrheal Episodes and Deaths by Etiology (percent)a

 

Age Group (years)

Pathogen

Under 2

2–4

Under 5

5–14

15–59

60 and Over

E. coli (enterotoxigenic)

20

20

20

20

20

20

Rotavirus

30

10

25

0

0

0

Salmonella

2

1

1

1

1

1

Shigella

10

20

15

20

20

25

aPercentages do not total 100 because some pathogens that cause diarrhea are not included due to poor vaccine prospects.

Combining estimates in Tables C.5, C.6, and C.7 yields (for enterotoxigenic E. coli, rotavirus, and shigella) distributions of illness burden shown in Tables C.8, C.9, and C.10, respectively. These estimates are used in the calculation of total disease burden values (see Chapter 4).



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