A yet-unidentified illness has killed 53 people and potentially infected hundreds more in the Democratic Republic of the Congo. The World Health Organization is investigating the outbreak.

An unknown illness first discovered in three children who ate a bat has rapidly killed more than 50 people in northwestern Congo over the past five weeks, health experts say.

A mystery illness in northwestern Congo has killed over 50 people, with symptoms leading to death within 48 hours. WHO is investigating, as initial tests ruled out Ebola and Marburg, with some cases testing positive for malaria.