Introduction
The term “risk factor” is very common in epidemiology. In general sense, it refers to a particular variable that is associated with an elevated risk of infection or disease. Since the number of diseases in the world is very large, the number of risk factors is also every large. The risk factors however vary from one disease or infection to another. However, there are a number of risk factors that are very common and play a significant role in many infections. One of these factors is molecular genetics. As the name suggest, molecular genetics is a genre that mainly deals with the functions ...