On the 23rd of February 2011, the regional Delegation of Public Health for the littoral was informed by the Central Technical Group of the Expanded Programme on Immunization (CTG EPI) that, Measles Specific Immunoglobulin M (IgM) antibodies were confirmed at the Centre Pasteur Cameroun reference laboratory in at least three specimens collected and sent to Yaoundé under routine measles surveillance within an interval of four weeks from the Nylon Health District. This evidence concerns the gene CD40LG and measles.