Abstract
Dengue reemerged in Mauritius in 2009 after an absence of >30 years, and >200 cases were confirmed serologically. Molecular studies showed that the outbreak was caused by dengue virus type 2. Phylogenetic analysis of the envelope gene identified 2 clades of the virus. No case of hemorrhagic fever was recorded.
Highlights
Dengue reemerged in Mauritius in 2009 after an absence of >30 years, and >200 cases were confirmed serologically
A well-documented epidemic of dengue fever caused by dengue virus type 2 (DENV-2) occurred on Réunion island in 1977–1978, and 2 outbreaks were caused by the same dengue serotype in the Seychelles in 1976–1977 and 1978– 1979 [3,4]
Dengue has reemerged in Mauritius after >30 years, but the outbreak was short-lived because of the institution of control measures and the arrival of cooler and drier weather
Summary
Dengue reemerged in Mauritius in 2009 after an absence of >30 years, and >200 cases were confirmed serologically. No record was made of laboratoryconfirmed cases in the 1970s in Mauritius, a subsequent seroepidemiologic study suggests that cases of dengue occurred in the country around that time, and it is reasonable to postulate that they were caused by DENV-2 [5]. Apart from the occasional imported case, no evidence of dengue transmission has been reported for >30 years in Mauritius.
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