Figure 2From: Circulating antibodies against Plasmodium falciparum histidine-rich proteins 2 interfere with antigen detection by rapid diagnostic testsPfHRP2 antigen levels in plasma samples. PfHRP2 antigen levels were measured in a commercial ELISA test (Standard Diagnostics, Korea). Country of origin is represented using ISO 3166 country code: Cambodia (KH), Nigeria (NG), the Philippines (PH), and Solomon Islands (SB). Shown are the results from subjects who tested positive. Error Bars represent SEM.Back to article page