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Table 1 Proportion of bacteria in Sagami River water by month, sampling point, and isolated with or without Vibrio cholerae non-O1

From: A study on the existence of Vibrio cholerae non-O1 in the river

Genus

Month river water collected

Sampling pointa

Isolated Vibrio cholerae non-O1

Number of strains (%)

July

September

October

November

1

2

3

4

With (%)

Without (%)

Total (%)

Acinetobacter

4 (3.6)b

9 (7.5)

13 (5.5)

9 (3.8)

8 (5.1)b

9 (4.7)

10 (5.7)

8 (4.4)

11 (4.2)

24 (5.4)

35 (5.0)

Aeromomas

5 (4.5)

16 (13.3)

90 (38.3)

13 (5.4)

56 (35.4)

26 (13.6)

15 (8.5)

27 (15.0)

30 (11.5)

94 (21.2)

124 (17.6)

Alcaligenes

3 (2.7)

0 (0.0)

1 (0.4)

9 (3.8)

1 (0.6)

5 (2.6)

4 (2.3)

3 (1.7)

9 (3.4)

4 (0.9)

13 (1.8)

Enterobacteriaceae

7 (6.4)

8 (6.7)

17 (7.2)

28 (11.7)

17 (10.8)

19 (9.9)

9 (5.1)

15 (8.3)

21 (8.0)

39 (8.8)

60 (8.5)

Flavobacterium

38 (34.5)

34 (28.3)

33 (14.0)

40 (16.7)

16 (10.1)

41 (21.5)

40 (22.7)

48(26.7)

57 (21.8)

88 (19.9)

145 (20.6)

Moraxella

35 (31.8)

31 (25.8)

34 (14.5)

48 (20.0)

9 (5.7)

36 (18.8)

57 (32.4)

46 (25.6)

71 (27.1)

77 (17.4)

148 (21.1)

Pseudomonas

9 (8.2)

6 (5.0)

1 (0.4)

80 (33.3)

36 (22.8)

28 (14.7)

17 (9.7)

15 (8.3)

36 (13.7)

60 (13.5)

96 (13.7)

Other

0 (0.0)

6 (5.0)

13 (5.5)

2 (0.8)

11 (7.0)

4 (2.1)

2 (1.1)

4 (2.2)

5 (1.9)

16 (3.6)

21 (3.0)

Unknownc

9 (8.2)

10 (8.3)

33 (14.0)

11 (4.6)

4 (2.5)

23 (12.0)

22 (12.5)

14 (7.8)

22 (8.4)

41 (9.2)

63 (8.9)

Total (%)

110 (100)

120 (100)

235 (100)

240 (100)

158 (100)

191 (100)

176 (100)

180 (100)

262 (100)

443 (100)

705 (100)

  1. a Sampling point 1—Ogura-hashi, 2—Shouwa-hashi, 3—Sagami-ohohashi, 4—Kamikawa-hashi
  2. bNumber of bacteria (%)
  3. c Unknown unknown and no growth on stock culture