Molecular epidemiology

Molecular epidemiology is a branch of epidemiology.It combines theories and methods in both epidemiology and molecular biology.The definition of molecular epidemiology is its use of biological and genetic markers as a measure of the prospensity of developing a disease or as an indicator of a disease or all exposure in the studies of the distribution and causes of disease. Molecular epidemiology has the same objectives as conventional epidemiology,to study the occurrence,development and prognosis of disease,to evaluate the effectiveness of interventions,and to provide evidence for clinical and healthcare decision making in a defined population.