Dengue fever is a worry in Mato Grosso do Sul, Brazil

So far this year, there have been almost 4,000 confirmed and suspected cases of dengue fever statewide. The most affected municipalities include Campo Grande, Iguatemi, Itaquiraí, São Gabriel do Oeste, and Selvíria.

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.