COMMUNICABLE DISEASE

• Communicable disease


  Infectious disease that can be transmitted from one person to another
• Cause of communicable disease

  • Infection's agent had pastorin
• Types of communicable disease transmission

  • Direct (person to person)
  • Indirect (through objects)
• Direct transmission


  • Coughing
  • Sneezing
  • Touching
• Indirect transmission


  • Contaminated objects
  • Vectors (e.g. mosquitoes)
• Acute infection


  Short period of illness
• Chronic infection


  Long period of illness
• Not all infections are contagious (e.g. Dengue, Rabies, Tetanus, Malaria)
• Endemic


  Infection always present in a particular location
• Pandemic


  Infection occurring worldwide
• Types of infectious agents

  • Recurrent
  • Autoinfection (self-reinfection)
• Recurrent infections


  • Varicella (Chickenpox)
  • Herpes (Shingles)
• Fulminating infection


  Infection that causes death over a short period
• Nosocomial infection


  Infection acquired in a hospital
• Infection course


  1. Incubation period

  2. Prodromal period

  3. Acute period

  4. Convalescent period