Biostatistics & Epidemiology: Introduction to Strategies

It is the study of distribution and determinants of health related states and events in specified populations and the application of this study to the prevention and control of health problems. – Last 1988, Dictionary of Epidemiology

Father of epidemiology

Diseases that caused by living organisms (bacteria, viruses, parasites)

Disease that is caused by chemical properties (chemical poisoning, radiation, etc.)

– Life expectancy

– Behaviors and provisions of health services

– Death

– Discomfort

– Disability

– Destitution

– Dissatisfaction

Branch of epidemiology that aims to answer the DISTRIBUTION and PATTERNS of diseases

Branch of epidemiology that aims to answer the DETERMINANTS and CAUSES of diseases

Branch of epidemiology that aims to CONTROL and PREVENT diseases in question

• – Attributed diseases in causality to supernatural forces

• – Early causal explanations for epidemics included wrath of Gods, breakdown of religious beliefs and morality and bad air “MIASMA”