Fig. 1

Distribution of falciparum cases blood samples including successful and unsuccessful PCR amplification of pfhrp2 gene exon2 region. (1) The different colours from dark red to light red in administrative areas represented samples with hrp2 gene. PCR amplication product that were collected from falciparum malaria cases found during study period, including Dehong, Kuming, Baoshan, Lincang, Dali, Pu’er, Qujing, Zhaotong, Nujiang, Lijiang, Xishuangbanna, Weishan, Honghe, Yuxi and Chuxiong –15 prefectures in Yunnan Province; White range indicates no falciparum malaria cases found during study period in this prefecture (only one) which is Diqing in Yunnan Province. (2) Pie charts represented failed amplification of samples with hrp2 gene PCR. They were found in Dehong, Baoshan, Kuming, Dali, Lincang, Pu’er and Qujing 7 prefectures in Yunnan Province