Principles of Disease & Epidemiology         Chapter 14

   I. Vocabulary
      A. Pathology
      B. Etiology
      C. Pathogenesis
      D. Epidemiology
      E. Infection
      F. Disease
      G. Normal microbiota
      H. Transient microbiota

  II. Relationships
      A. Microbial antagonism
      B. Symbiosis
         1. commensalism
         2. mutualism
         3. parasitism
      C. Opportunistic

 III. Classifying Infectious Diseases
      A. Symptoms
      B. Signs
      C. Syndrome
      D. Communicable
      E. Contagious
      F. Noncommunicable

  IV. Occurrence 
      A. Incidence
      B. Prevalence 
      C. Frequency
         1. Sporadic
         2. Endemic
         3. Epidemic
         4. Pandemic

   V. Severity and duration of disease
      A. Acute
      B. Chronic
      C. Latent
      D. Immunity 
      E. herd immunity

  VI. Extent of Host Involvement
      A. Local infection
      B. Systemic infection
      C. Bacteremia
         1. septicemia
      D. Toxemia
      E. Viremia
      F. Primary infection
      G. Secondary infection

 VII. Patterns of Disease
      A. Predisposing factors
      B. Development of Disease
         1. Incubation period
         2. Prodromal period
         3. Period of illness
         4. Period of decline
         5. Period of convalescence

VIII. Spread of Infection
         1. reservoir
      A. Human
         1. carrier
      B. Animal
         1. zoonoses
      C. non-living
      D. Transmission of Disease
         1. Contact
            a. Direct
            b. Indirect 
               1) fomite
            c. Droplet transmission 
         2. Vehicle transmission
            a. Water
            b. Food
            c. Airborne
         3. Vectors
            a. mechanicals
            b. biological

  IX. Nosocomial infection
         1. CDC
      A. Factors
         1. opportunistic
         2. compromised host
         3. Chain of transmission 
      B. Control

   X. Emerging Infectious Diseases
      A. Reasons

  XI. Epidemiology
      A. CDC
         1. MMWR
            a. Morbidity
            b. Mortality