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Fig. 3 | Parasites & Vectors

Fig. 3

From: Cross-watershed distribution pattern challenging the elimination of Oncomelania hupensis, the intermediate host of Schistosoma japonicum, in Sichuan province, China

Fig. 3

Relation between river rank and geographical distribution of snail habitats. Both historical and existing habitats of Oncomelania hupensis were included. The historical habitats, where Oncomelania snails do not infest any more, were digitalized and mapped based on the annual records since mid 1950s when the national schistosomiasis control programme commenced

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Parasites & Vectors

ISSN: 1756-3305

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