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1. History and objectives of public health
- History
- Early public health interventions
- Romans diverted human waste from urban areas
- During 14th century’s Black Death, the value of quarantine was discovered
- Hippocrates: the food we eat, the place we live, the life we live affects our health
- John Snow:
- Founder of epidemiology (topic 14).
- He also challenged the miasma theory (that disease is caused by “bad air” (miasma))
- Percival Pott: Chimney sweepers develop SCC
- Edward Jenner: First vaccine (smallpox)
- Germ theory:
- Developed slowly
- John Snow’s work helped replacing the miasma theory with the germ theory
- Koch’s postulates
- The germ must be found in all diseased organisms
- The germ must be isolated and grown in culture
- The germ should cause disease in healthy organisms
- The germ must be re-isolated from diseased experiment hosts and confirmed to be the same as the original germ
- 1980: Smallpox eradicated
- Objectives of public health
- Assess and monitor health of communities and populations at risk for disease
- Formulate health policies designed to solve health problems
- Assure that the populations have access to cost-effective and appropriate care
- Perform health promotion and disease prevention