Dengue Surveillance in Réunion. Update as of February 21, 2021

Key Points

Although the majority of cases remain concentrated in Port and St. Joseph, a trend toward the spread of cases and an acceleration in viral circulation is being observed. Furthermore, given the difficulty in interpreting isolated serology results in a context where dengue has been circulating in the region for several years now, PCR remains the preferred diagnostic method.

Confirmed cases

  • S06: 113 confirmed cases

  • S07: 135 confirmed cases

  • Total 2021: 480 confirmed cases

= 2020 and <2019

Affected areas

  • Le Port (west) and St. Joseph (south): primarily, > 50% of cases

  • 15 municipalities reported cases during the S06/07 period (=)

Affected areas: 2020 south and 2019 west

Seeking medical care

  • Emergency room visits for dengue-like syndrome:

    • S06: 12 visits

    • S07: 20 visits

    • Mainly CHOR

  • Hospitalizations: 32 hospitalizations in 2021

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