Principles of Disease & Epidemiology Chapter 14

1. Vocabulary
   1. Pathology
   2. Etiology
   3. Pathogenesis
   4. Epidemiology
   5. Infection
   6. Disease
   7. Normal microbiota
   8. Transient microbiota
2. Relationships
   1. Microbial antagonism
   2. Symbiosis
      1. commensalism
      2. mutualism
      3. parasitism
   3. Opportunistic
3. Classifying Infectious Diseases
   1. Symptoms
   2. Signs
   3. Syndrome
   4. Communicable
   5. Contagious
   6. Noncommunicable
4. Occurrence
   1. Incidence
   2. Prevalence
   3. Frequency
      1. Sporadic
      2. Endemic
      3. Epidemic
      4. Pandemic
5. Severity and duration of disease
   1. Acute
   2. Chronic
   3. Latent
   4. Immunity
   5. herd immunity
6. Extent of Host Involvement
   1. Local infection
   2. Systemic infection
   3. Bacteremia
      1. septicemia
   4. Toxemia
   5. Viremia
   6. Primary infection
   7. Secondary infectionPatterns of Disease
   8. Predisposing factors
   9. Development of Disease
      1. Incubation period
      2. Prodromal period
      3. Period of illness
      4. Period of decline
      5. Period of convalescence
7. Spread of Infection
   1. reservoir
   1. Human
      1. carrier
   2. Animal
      1. zoonoses
   3. non-living
   4. Transmission of Disease
      1. Contact
         1. Direct
         2. Indirect
            1. fomite
         3. Droplet transmission
      2. Vehicle transmission
         1. Water
         2. Food
         3. Airborne
      3. Vectors
         1. mechanicals
         2. biological
8. Nosocomial infection
   1. CDC
   1. Factors
      1. opportunistic
      2. compromised host
      3. Chain of transmission
   2. Control
9. Emerging Infectious Diseases
   1. Reasons
10. Epidemiology
    1. CDC
       1. MMWR
          1. Morbidity
          2. Mortality