Cases of dengue fever almost double in 2 weeks in São Paulo, Brazil

In the past 2 weeks, reported cases of dengue have almost doubled, from 120 cases to 230. At this rate, authorities forecast that reported cases could reach 45,000 during 2015.

Travellers to areas where the dengue fever virus is active can reduce their risk of exposure by taking all necessary precautions to avoid mosquito bites. Many persons with dengue fever do not seek medical care and are not reported to health authorities. There may be many more cases in the community than the reports indicate.

Visit our Health Library for more information on exposure to and the prevention of Dengue Fever.