1. Epidemiology
What is Epidemiology?
Etiology

2. Monitoring an outbreak
Incidence
Prevalence

3. Epidemiological Terms
Morbidity
Mortality

4. Diseases in Populations
Endemic
Epidemic
Pandemic
Sporadic

5. Disease Spread
Common Source Outbreak
Propagated Epidemic

6. Epidemiologic Studies
Descriptive
Analytical
Experimental

7. Infection Reservoirs
Human
Animal (Zoonoses)
Non-living

8. Microbe Spread Portals of Entry Skin Mucus membrane Parenteral route
Portals of Exit
Vary for each organ system
Bodily fluids and fecal material carry microbes

9. Modes of Disease Transmission
Contact
Vehicles
Vectors

10. Problems in Disease Transmission
Disease Cycles
Herd Immunity

11. Controlling Disease Transmission
Isolation
Quarantine
Immunization
Vector Control

12. Public Health Organizations
Center for Disease Control (CDC)
World Health Organization (WHO)

13. Notifiable Diseases Definition:
Infectious diseases harmful to community health; must be reported to a physician
65 diseases as of 2006

14. Nosocomial Infection Risks
Susceptibility
Virulence
Transmission chain

15. Bioterrorism
Airborne human pathogens
Toxins
Agricultural bioterrorism