Effect of an integrated control strategy for schistosomiasis japonica in the lower reaches of the Yangtze River, China: an evaluation from 2005 to 2008

Table 3 Changes of Oncomelania hupensis snail in the 107 villages in a pilot control program of Jiangsu Province, from 2003 to 2008

Year	Snail habitat (hm²)	Infected snail habitat (hm²)	No. snails dissected	No. infected snails	Infection rate of snails (%)	No. villages with infected snails
2003	7243.06	2173.93	585298	1808	0.31	80
2004	7625.23	2130.53	597783	950	0.16	90
2005	7701.07	1767.70	551843	705	0.13	60
2006	5887.96	1444.34	344905	735	0.21	44
2007	4487.75	802.73	296868	254	0.09	41
2008	3775.26	124.19	295384	68	0.02	20

ISSN: 1756-3305