malaria is a particular problem and a major one in areas of asia africa and central and south america. unless precautions are taken anyone living in or traveling to a country where malaria is present can get the disease. malaria occurs in about 100 countries; approximately 40% of the world population is at risk for contracting malaria. to get information on countries that have current malaria infection problems the cdc (centers for disease control) has a constantly updated web site ( <link> ) that lists the problem areas in detail. hiv (aids) and malaria co-infection is a significant problem across asia and sub-saharan africa. research suggests that malaria and hiv co-infection can lead to worse clinical outcomes in patients. it seems that co-infections enhance the disease process of both pathogens.
where is malaria a prevalent?