American Society for Microbiology, Antimicrobial Agents and Chemotherapy, 1(65), 2020
DOI: 10.1128/aac.00720-20
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Monitoring of Plasmodium falciparum sensitivity to antimalarial drugs in Africa is vital for malaria elimination. However, the commonly used ex vivo / in vitro 50% inhibitory concentration (IC 50 ) test gives inconsistent results for several antimalarials, while the alternative ring-stage survival assay (RSA) for artemisinin derivatives has not been widely adopted. Here, we applied an alternative two-color flow cytometry-based parasite survival rate assay (PSRA) to detect ex vivo antimalarial tolerance in P. falciparum isolates from The Gambia.