Outbreaks and Emergencies Bulletin, Week 4: 20 - 26 January 2020
The WHO Health Emergencies Programme is currently monitoring 70 events in the region. This week's edition covers key new and ongoing events, including:
- Lassa fever in Nigeria
 - Lassa fever in Sierra Leone
 - Ebola virus disease in Democratic Republic of the Congo
 - Humanitarian crisis in South Sudan
 - Humanitarian crisis in Burkina Faso
 
