The WHO Africa office said the quick progression from sickness to death in Boloko is a key concern, along with the high number of deaths in Bomate. Congo’s Ministry of Health said about 80% of the patients share similar symptoms including fever, chills, body aches and diarrhea.

Unidentified illnesses in northwestern Congo have killed more than 50 people over the past five weeks, nearly half of them within hours after they felt sick

A mysterious disease called 'crying disease' is sweeping through parts of Congo, killing over 50 people and infecting more than 400. Symptoms include

The interval between the onset of symptoms and death has been 48 hours in the majority of cases. A medical official says that’s really worrying.