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Malaria is an illness caused by a parasite, spread by the bite of an infected mosquito. Mosquitoes that spread malaria can be found in tropical and subtropical regions. Not all mosquito bites will make you sick, but it is still important to take steps to protect yourself and your family while traveling to areas with malaria. Visit the Centers for Disease Control and Prevention (CDC) Travelers' Health page before your trip for recommendations and information on country-specific travel. Malaria is preventable.

General information on malaria, including information on signs and symptoms, treatment, and resources.

Charts with malaria data.


Information for local health departments, health care providers, or those looking for information on reporting, surveillance, or diagnosis of malaria.

Tips on preventing mosquito bites.

Questions about illnesses spread by mosquitoes? Contact us!
Phone: 608-267-9003 | Fax: 608-261-4976

Last revised June 15, 2022