Epidemiological Situation

Since the beginning of 2018, 6,538 biologically confirmed or probable cases of dengue (including 6 imported from Polynesia, Brazil, Thailand, and Myanmar) have been reported by private and hospital laboratories in Réunion. The only serotype identified in 2018 among indigenous cases is DENV-2 (911 genotypes analyzed). This situation follows an unusual, low-level viral circulation during 2017, when persistent transmission was observed during the southern winter.

In week S2018-34 (data from August 20 to 26):

• 13 probable or confirmed cases of dengue were diagnosed through laboratory testing, based on the date of symptom onset

• Confirmed and probable cases were mainly located: - In the west: St. Paul - Bois de Nèfles (4 cases), St. Paul - Bus Station and Etang (3 cases), Le Guillaume and St. Gilles les Hauts (1 case each), La Possession (2 cases), Saint-Leu (1 case),

• In Sainte-Marie (1 case)