The islands of Tahiti and Moorea are now classified as having a “proven epidemic” of dengue fever, according to the alert management unit. A decision taken last Wednesday, which will lead, from December 2, to the suspension of vector control operations around isolated cases, except in the presence of clusters reported by health professionals.
Since the start of the epidemic in November 2023, 306 cases have been recorded. A continued increase is observed, with more than 10 new weekly cases reported in the Windward Islands over the past month. The test positivity rate, also on the rise, reached 35.5% in week 46.
No serious cases or deaths have been reported since the start of the epidemic, and no hospitalizations were reported in week 46. Of the 230 samples analyzed, the DENV-1 serotype dominates at 70%, compared to 30 % for DENV-2. Since the end of July, DENV-1 is the only serotype identified in the Marquesas.
The cases mainly appear in isolation, although clusters have been observed in several districts such as Pointe Vénus, Tuauru, Paofai and Taaone. The disease mainly affects children and young adults, with 36% of cases in people under 20 years old, and a median age of 30 years old.
Health
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