U.S. Consulate Merida released the following Message for U.S. Citizens on September 21, 2011:
The Health Departments of Yucatan, Campeche, and Quintana Roo confirm dengue and hemorrhagic dengue cases are on the rise in the states of Yucatan, Campeche, and Quintana Roo.
Dengue is spread by mosquitoes. To reduce the risk of contracting dengue, the U.S. Center for Disease Control (CDC) recommends wearing clothing that exposes as little skin as possible and applying a repellent containing DEET, picaridin, oil of lemon eucalyptus or IR3535 as the active ingredient.