Journal
TRANSACTIONS OF THE ROYAL SOCIETY OF TROPICAL MEDICINE AND HYGIENE
Volume 108, Issue 1, Pages 57-59Publisher
OXFORD UNIV PRESS
DOI: 10.1093/trstmh/trt110
Keywords
Dengue; Outbreaks; Reunion Island; Risk; Seroprevalence
Funding
- Agence de Sante Ocean Indien (ARS OI)
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Immunity against dengue virus (DENV) on Reunion Island could play an important role in the risk of dengue outbreaks but is rather unknown. A study was performed to estimate seroprevalence of antibodies against DENV among blood donors. An age- and sex-stratified sample of 1825 sera was randomly selected. Overall seroprevalence was 3.1 (95 CI: 2.23.9); seroprevalence increased with age and was much higher in women than in men. The low level of herd immunity is consistent with the absence of an endemic circulation of DENV, and makes it probable that Reunion Island will face future outbreaks.
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