Tertian Malaria (Plasmodium vivax and Plasmodium ovale) in Two Travelers Despite Atovaquone–Proguanil Prophylaxis


Rogelio López-Vélez, PhD, Tropical Medicine and Clinical Parasitology, Infectious Diseases Department, Hospital Ramón y Cajal, Ctra. de Colmenar Km 9.1, Madrid 28034, Spain. E-mail: rlopezvelez.hrc@salud.madrid.org


There is limited data regarding the efficacy of prophylaxis with atovaquone/proguanil (A/P) against non-falciparum malaria in travelers. Two cases, one Plasmodium vivax infection and another Plasmodium ovale infection, in travelers despite A/P prophylaxis are presented.