 [ Symptoms ] i have this thing on my face no clue what it is [ Disease ] 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