Possibilities of a third epidemiological occurrence

The purpose of this paper is to examine the possibilities of a third epidemiological occurrence. An epidemiological occurrence is where large segments of population and culture have been adversely affected either by disease or through manmade causes of disease. According to World Health Organization an epidemic is an outbreak of a disease that attacks many people at the same time and may spread through more than one community. An endemic outbreak is a disease that exists permanently in a region or within a population. A pandemic is an epidemic that spreads throughout the world