Dengue Surveillance in Mayotte. Update as of March 27, 2020.

Key Points

  • 2,890 cases of dengue fever reported since the start of the outbreak, including 2,704 confirmed cases in 2020.

  • Decrease in the weekly number of confirmed cases over the past two weeks due to significant underreporting. Syndromic surveillance indicates that we are still in the rising phase.

  • The virus is spreading throughout the country, with the central region less affected.

  • Only the DENV-1 serotype is circulating, but there is a risk of other serotypes being imported from the Indian Ocean region

  • Weather conditions remain favorable for mosquito proliferation

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