Table 3: Serotypes distribution by sector.

Sectors

Serotype 1

Serotype 2

Serotype 3

Total

Central sector

3 ( 7,1% )

32 (76,2%)

7 (16,7%)

42 (22%)

Northern sector

1 (2,9%)

29 (85,3%)

4 (11,8%)

34 (17,7%)

Western sector

1 (2,1%)

33 (70,2%)

13 (27,7%)

47 (24,5%)

Middle sector

4 (19%)

13 (62 %)

4 (19%)

21 (10,8%)

Southern sector

3 (6.3%)

40 (83,3%)

5 (10,4%)

48 (25%)

Mountainous sector

0

0

0

0

Total

12 (6,2%)

147 (76,6%)

33 (17,2%)

192

Chi square (P-value)

3.0 (0.558)

13.646 (0.009)

8.667 (0.07)