Friday’s report in the journal Lancet is not a rigorous test of hydroxychloroquine or chloroquine, but it is by far the largest look at their use in real world settings, spanning 671 hospitals on six continents.

Multidrug-resistant malaria is becoming the dominant strain in some parts of Southeast Asia, researchers have found.

The federal government is now facing three lawsuits from eight people over the military's use of mefloquine.

Malawi is the first country to start immunizing kids against malaria, according to the WHO.