[Surveillance on schistosomiasis after its transmission interruption in Baoying County, Jiangsu Province].

OBJECTIVE

To understand the endemic situation of schistosomiasis after its transmission interruption in Baoying County, so as to provide the evidence for adjusting the prevention and control strategy.

METHODS

The data of schistosomiasis surveillance in Baoying County from 1988 to 2015 were collected and retrospectively analyzed.

RESULTS

The schistosomiasis surveillance has been established since it was interrupted in Baoying County in 1987. The total surveyed area with Oncomelania hupensis snails was 21 269.95 hm2, but no living snails were found. The number of schistosomiasis examinations of residents was 163 196 person-times, and 270 person-times were positive in serum test, 26 person-times were positive in stool test. No positive cases were found since 1997. The number of schistosomiasis tests of livestock was 2 180 cattle-times but no infection was found.

CONCLUSIONS

No schistosome infected snails or livestock are founded in Baoying County for last 28 years, and no patients are founded for last 11 years. The effect of schistosomiasis control is steady.