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Dengue outbreaks: a constant risk for Reunion Island. Results from a seroprevalence study among blood donors
Ist Teil von
Transactions of the Royal Society of Tropical Medicine and Hygiene, 2014-01, Vol.108 (1), p.57-59
Ort / Verlag
Oxford: Oxford University Press
Erscheinungsjahr
2014
Link zum Volltext
Quelle
Oxford Journals 2020 Medicine
Beschreibungen/Notizen
Background
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.
Methods
An age- and sex-stratified sample of 1825 sera was randomly selected.
Results
Overall seroprevalence was 3.1% (95% CI: 2.2-3.9%); seroprevalence increased with age and was much higher in women than in men.
Conclusion
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.