Disease epidemics from mosquito-borne viruses are on the rise. Here are several safety tips: (1) Malaria; If traveling to Central America, South America, East or West Africa, or South Asia, talk to your doctor about medications to prevent malaria; (2) Yellow fever. There is currently a yellow fever outbreak in Brazil. If you must travel to South America or Africa, consider getting vaccinated; (3) Zika. If you are pregnant, consider postponing travel to areas where the virus is active. Check the world map of areas with risk of Zika for the latest information. (4) Within the U.S., West Nile is most common in Arizona, Utah, New Mexico, Mississippi, Nebraska, and North and South Dakota. For more information, visit the Military Health System website.