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Table 2 Leptospirosis seroprevalence in the islands of American Samoa 2010

From: Emergence of new leptospiral serovars in American Samoa - ascertainment or ecological change?

Number of seropositive samples on MAT and Seroprevalence (%)

Island

Number Sampled

Most common serovars

 

All serovars

   

Hebdomadis

 

LT 751

 

LT 1163

  
 

n

n

% (95% CI)

n

% (95% CI)

n

% (95% CI)

n

% (95% CI)

Tutuila

721

72

10 (7.9 - 12.4)

31

4.3 (2.9 - 6.0)

25

3.5 (2.3 - 5.1)

117

16.2 (13.6 - 19.1)

Aunu'u

16

0

0 (0 - 20.6)

0

0 (0 - 20.6)

0

0 (0 - 20.6)

0

0 (0 - 20.6)

Ta'u*

45

0

0 (0 - 7.9)

5

11.1 (3.7 - 24.1)

1

2.2 (0.1 - 11.8)

6

13.3 (5.1 - 26.8)

Ofu*

11

0

0 (0 - 28.5)

1

9.1 (0.2 - 41.3)

0

0 (0 - 28.5)

1

9.1 (0.2 - 41.3)

Olosega*

14

0

0 (0 - 23.2)

1

7.1 (1.8 - 33.9)

0

0 (0 - 23.2)

1

7.1 (1.8 - 33.9)

Total

807

72

8.9 (7.0 - 11.1)

38

4.7 (3.4 - 6.4)

26

3.2 (2.1 - 4.7)

125

15.5 (13.1 - 18.2)

  1. *Part of the Manu'a group of islands