Microbiology / Malaysia / Medical Microbiology / Malaria / Humans / Female / Microbial genetic and drug resistance / Pyrimethamine / Sulfadoxine / Sulfanilamides / Adult / Public health systems and services research / Plasmodium falciparum / Antimalarials / Female / Microbial genetic and drug resistance / Pyrimethamine / Sulfadoxine / Sulfanilamides / Adult / Public health systems and services research / Plasmodium falciparum / Antimalarials