24/09/2021. Plasmodium vivax in SE Asia and Oceania is less sensitive to primaquine compared to other regions and needs a higher target dose - 0.5 mg/kg. Bob Taylor and colleagues propose a new regimen that was designed using pharmacokinetic simulation and takes into account that children need higher mg/kg doses compared to adults.

Posted 17/09/2021. One of the policies to achieve malaria elimination in the near future is reactive case detection. A secondary analysis of a large dataset of mass drug administrations in Greater Mekong Subregion found that reactive case detection in this setting is costly but results only in minimal benefits, by Lorenz Von Seidlein and colleagues

Posted 15/09/2021. In Cambodian G6PD deficient variants, G6PD enzyme activity is unaffected by baseline reticulocyte counts but rises and correlates with posttreatment reticulocytosis. Qualitative G6PD tests are unlikely to misdiagnose G6PD deficient males at presentation. Too few G6PD heterozygous females preclude drawing inferences; more research is needed in this group.