An estimated 50% of the world’s population, about 3.3 billion people, are at risk for Malaria. The following areas are most commonly affected by malaria : Africa, India, Pakistan, Southeast Asia, Paupa New Guinea, Haiti, and parts of South America. Malaria is spread when an infected Anopheles mosquito bites a person. This is the only type of mosquito that can spread malaria. Malaria is a parasitic infection caused by the bite of a female Anopheles mosquito. The infection can result from any one of five parasites from the Plasmodium falciparum (or P. falciparum), Plasmodium malariae (or P. malariae), Plasmodium vivax (or P. vivax), Plasmodium ovale (or P. ovale), Plasmodium knowlesi (or P. knowlesi). Malaria is a disease caused by a parasite. The parasite is transmitted to humans through the bites of infected mosquitoes. Infection with malaria parasites may result in a wide variety of symptoms, ranging from absent or very mild symptoms to severe disease and even death. Malaria is a disease that is spread by the female Anopheles mosquito. There are two types of malaria: uncomplicated and severe malaria. Malaria is a serious and sometimes life-threatening disease that is more common in countries with tropical climates. Malaria is a disease of the blood that is caused by the Plasmodium parasite, which is transmitted from person to person by a particular type of mosquito.