an infective disease caused by sporozoan parasites that are transmitted through the bite of an infected Anopheles mosquito; marked by paroxysms of chills and fever
"Travelers to tropical regions often return home suffering from malaria, a severe illness characterized by alternating episodes of high fever and shivering caused by parasite-infected mosquitoes."
A disease spread by mosquito, in which a protozoan, Plasmodium, multiplies in blood every few days.
"Travelers to tropical regions must take precautions against malaria, a serious illness caused when the Plasmodium parasite multiplies in their bloodstream after being bitten by an infected mosquito."
In plain English: Malaria is a serious illness caused by parasites that live inside mosquitoes and can make you very sick with fever, chills, and fatigue.
"Travelers to tropical regions should take precautions against malaria before visiting remote areas."
Usage: Malaria is an infectious disease transmitted to humans through the bite of infected Anopheles mosquitoes. It causes recurring episodes of fever and chills as parasites multiply in the bloodstream over several weeks or months if untreated.
Malaria comes from Italian, where it originally combined "mal-" meaning bad and "aria" meaning air. The word entered English through Scottish geologist John MacCulloch in the early 19th century to replace an older term for the same concept of foul air causing illness.