Table 2.

Distribution of S. typhi isolated from subjects on the basis of age.

Age group	No investigated	No positive for S. typhi	Frequency of (%)
1–10	30	20	44.46
11–20	20	8	17.76
21–30	25	7	15.56
31–40	15	7	15.56
41–50	10	3	6.76
Total	100	45	100%