 [ Symptoms ] what is malaria [ Disease ] malaria is a serious disease that causes a high fever and chills you can get it from a bite by an infected mosquito malaria is rare in the united states it is most often found in africa southern asia central america and south america webmd medical reference from healthwise this information is not intended to replace the advice of a doctor healthwise disclaims any liability for the decisions you make based on this information © 1995 2011 healthwise incorporated healthwise healthwise for every health decision and the healthwise logo are trademarks of healthwise incorporated