[A field investigation on the probability of the dispersion of Schistosoma japonicum eggs to Oncomelania-infested bodies of water in 4 villages of Wuxian County].
D000818:Animals; D006801:Humans; D010063:Ovum / Q000502:physiology; D010270:Parasite Egg Count; D012549:Schistosoma japonicum / Q000502:physiology*; D012554:Schistosomiasis japonica / Q000635:transmission*; D012908:Snails / Q000469:parasitology; D014871:Water Microbiology