Key Points

• This year was marked by the absence of an epidemic and low viral circulation throughout the year. A slight increase in the number of cases appears to be beginning with the return of summer. This trend will need to be monitored over the coming weeks.

• Moderate viral circulation during the southern summer and low levels throughout the winter

• Detection of a single serotype, DENV1

• Among PCR-confirmed cases, 20% were secondary forms of dengue (presence of IgG in an early sample)

• Negligible public health impact

• Start of the southern summer and return of weather conditions conducive to mosquito breeding