The Ministry of Health of Cameroon carried out a yellow fever mass vaccination campaign, covering a reported 94% of 13 health districts considered to be at high risk for yellow fever, according to WHO.
After laboratory confirmation of two cases ofyellow fever in the Littoral region in April, the vaccination campaign was implemented in the last week of August. The patients were given an antibody test (IgM ELISA) and a seroneutralizing test (PRNT) at the Institut Pasteur in Dakar Senegal, a WHO regional reference laboratory for yellow fever.
WHO is working with health authorities on the investigation and response to the outbreak. GAVI Alliance and the International Coordinating Group on Yellow Fever Vaccine Provision supported the reactive mass vaccination, which covered more than 663,900 people in 13 health districts, according to a WHO press release.