Critical care(1) Rickettsial infections.(1) Plasmodium falciparum(1) DIC(1) Multiple organ system failure(1) Quinine(1) malaria(1) artesunate(1) severe malaria(1) leptospirosis(1) thrombocytopenia(1) Plasmodium vivax(1) Dengue(1) cerebral malaria(1)