On Nov. 13, 2023, the World Health Organization (WHO announced that the Ministry of Health and Social Welfare of Equatorial Guinea had declared an outbreak of Marburg virus disease (MVD) after suspected viral haemorrhagic fever deaths were reported between 7 January 7, 2023 – February 7, 2023 and a case testing positive on February 12, 2023 for MVD.

Six clinical experts from the Emerging Diseases Clinical Assessment and Response Network (EDCARN) were rapidly deployed to Equatorial Guinea to support the Ministry of Health in its response to the outbreak. The clinical experts in infectious diseases, critical care, and paediatrics were recruited through the Global Outbreak and Response Network (GOARN). WHO helped set up a 20-bed treatment centre in Bata (the most affected district in the country) and an ambulance referral system for the outbreak.