Fig. 4From: Population structure and geographical segregation of Cryptosporidium parvum IId subtypes in cattle in ChinaResults of the principal coordinate analysis of 41 Cryptosporidium parvum isolates based on pairwise distances (a 2D, b 3D). Each solid sphere represents an MLG. The color of the spheres indicates geographical origin of the isolates, while the size of the spheres represents the number of isolatesBack to article page