Table 2 The classification of 9 previously endemic districts for schistosomiasis in Shanghai, China
Type | Current epidemic status | District name |
|---|---|---|
I | No intermediate host snails found, although the ecological conditions are suitable for snail survival | Minhang, Jiading, Baoshan |
II | Intermediate host snails found occasionally | Pudong New District, Nanhui, Qingpu |
III | Intermediate host snails found from time to time | Jinshan, Songjiang, Fenxian |