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Madagascar 2018-2019 measles outbreak response: main strategic areas

  • Sodjinou, Vincent Dossou1
  • Douba, Alfred2, 3
  • Nimpa, Marcellin Mengouo2
  • Masembe, Yolande Vuo2
  • Randria, Mireille2
  • Ndiaye, Charlotte Faty2
  • 1 World Health Organization Regional Office for Africa, Congo,
  • 2 World Health Organization Country Office, Madagascar,
  • 3 Felix Houphouet Boigny University, Abidjan, Côte d´Ivoire
Published Article
Pan African Medical Journal
Pan African Medical Journal
Publication Date
Sep 05, 2020
DOI: 10.11604/pamj.2020.37.20.24530
PMID: 33062122
PMCID: PMC7532848
PubMed Central


Introduction on October 4th, 2018, a measles outbreak was declared in Madagascar. This study describes the outbreak response in terms of coordination, case management, vaccination response and epidemiological surveillance. Methods data were collected using a line list and vaccination tally sheet. Serum samples were collected within 30 days of rash onset for laboratory testing; confirmation was made by detection of measles immunoglobulin M antibody. Results from September 2018 to May 2019, a total of 146,277 measles cases were reported which included 1394 (1%) laboratory-confirmed cases and 144,883 (99%) epidemiological link-confirmed cases. The outbreak affected equally males (72,917 cases; 49.85%) and females (73,233 cases; 50.06%). The sex was not specified for 127 (0.09%) cases. Case fatality rate and attack rate were high among children less than 5 years. Responses interventions include effective coordination, free of charge case management, reactive vaccination, strengthened real-time surveillance, communication and community engagement and the revitalization of the routine immunization. Reactive vaccination was implemented in different phases. A total of 7,265,990 children aged from 6 months to 9 years were vaccinated. Post campaign survey coverage was 95%, 96% and 97% for phase 1, 2, 3 respectively. Conclusion elimination of measles will be challenging in Madagascar because of low routine immunization coverage and the absence of a second dose of measles vaccine in the routine immunization schedule.

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