Table 3 S. japonicum incidence and intensity of infection in the human cohort at follow up

2003

285

46.0%

(40.1, 51.8)

23.5

(18.4, 30.0)

2004

257

31.5%

(25.8, 37.2)

20.9

(15.4, 28.4)

2005

256

20.3%

(15.4, 25.3)

14.2

(10.3, 19.7)

2006

240

11.3%

(7.2, 15.3)

12.3

(8.0, 18.9)