We report here the sensitivity and specificity of OptiMAL for the diagnosis of acute malaria in patients presenting to the Hospital for Tropical Diseases (HTD), a tertiary referral centre for Tropical and Infectious diseases. A sensitivity of 95.3% and a specificity of 100% for Plasmodium falciparum and a sensitivity of 96% and a specificity of 100% for Plasmodium vivax was obtained. The ability to follow the course of the parasitaemia using OptiMAL during treatment and its significance for use in areas where expert microscopy is not available is discussed.
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