Fig. 2From: Genetic polymorphism of circumsporozoite protein of Plasmodium falciparum among Chinese migrant workers returning from Africa to Henan ProvinceAnalysis of C-terminal haplotypes of imported PfCSP in Henan Province; The dots represent the same residue as the 3D7 reference sequence. The blue shaded area represents the Th2R area. The orange shaded area represents the Th3R area. The number of samples refers to the frequency of each haplotypeBack to article page