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Table 3 Seasonal distribution of V. cholerae isolates

From: Water sources as reservoirs of Vibrio choleraeO1 and non-O1 strains in Bepanda, Douala (Cameroon): relationship between isolation and physico-chemical factors

Season

Sample source

No. of isolates obtained (%)

Serogroup O1 (%)

Serogroup non-O1/non-O139

Dry season

Well

20 (20.8)

5 (5.2)

15 (15.6)

 

Tap

1 (1)

0 (0)

1 (1)

 

Stream

3 (3.1)

3 (3.1)

0 (0)

 

Total

24 (25)

8 (8.3)

16 (16.7)

Rainy season

Well

58 (60.4)

18 (18.8)

40 (41.7)

 

Tap

3(3.1)

0 (0)

3 (3.1)

 

Stream

11 (11.5)

6 (6.3)

5 (5.2)

 

Total

72 (75)

24 (25)

48 (50)

  1. Overall isolation of V. cholerae: χ 2 = 7.009; df = 1; P = 0.008.
  2. V. cholerae O1: χ 2 = 9.333, df = 1, P = 0.002.
  3. V. cholerae non-O1/non-O139: χ 2 = 3.889, df = 1, P = 0.049.