Travel to tropical climates entails contact with a variety of insects
capable of transmitting infectious diseases. The most well-known
culprit is the mosquito, which may transmit yellow fever, malaria,
Japanese encephalitis, and dengue fever, as well as other diseases.
If you're traveling to Central or South America, Southeast Asia, or
Africa, you'll need proper vaccination and/or medication before
leaving and special precautions while traveling.
- Limit outdoor activity between dusk and dawn to reduce the risk of malaria and Japanese
encephalitis. (Dengue fever, however, is transmitted by day-biting mosquitoes, primarily in
- You can still develop malaria after you leave the endemic area. To be most effective, the
prescribed medication must be continued for 4 weeks after leaving malaria areas.
- Wear a good insect repellent containing DEET.
- Reapply insect repellant after swimming or excessive sweating
- Wear protective clothing, such as long sleeves and pants whenever practical
- Sleep in air-conditioned, well-screened areas
- Use bed nets permeated with a permethrin insecticide
- Use coils and insect sprays containing pyrethrum to kill insects in living or sleeping quarters
Traveling: Insect Protection