Disease in Africa "The fact remains that lowland, tropical Africa may well have the most intractable disease environment in the world."(Bohannan & Curtin,35) In order to understand diseases in Africa, one must first be acquainted with its geology. Africa is a gigantic landmass that is over 5200 miles long and 4600 miles wide. The continent is a vast plateau with five different types of physical regions. The first type of physical region is called the Mediterranean -type climates. This type of region provides Africa with nutritious land for vegetation. Next there is the deserts and arid plains, located inlan