Fig. 1From: The genetic variation of Angiostrongylus cantonensis in the People’s Republic of ChinaGeographical distribution of cox1 clades of Angiostrongylus cantonensis in P.R. China. Two groups, i.e. I and II, are shown. Six clades are further distinguished in group I (Ia, Ib, Ic, Id, Ie and If). The current endemic area of A. cantonensis in P.R. China is indicated by shadingBack to article page