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Summary Basics of Infectious Diseases

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A snapshot of the summary - Basics of Infectious Diseases

  • 1 Lecture 1. General introduction

  • What is a communicable infectious disease (ID)?
    Infectious disease that can be transmitted between persons
  • What is a non-communicable infectious disease?
    Infectious disease not directly transmissible from one person to another
  • What does emerging infectious disease mean? (EID)
    Disease appeared for the first time or existed previously, but is rapidly increasing
  • Difference between pathogen and parasite:
    Pathogen: always associated with damage
    Parasite: may be associated with damage
  • Difference between infection and disease:
    Infection: pathogen invades, begins growing and reproducing within host
    Disease: tissue is damaged or function is impaired, as a consequence of a pathogen.
  • What are ways to prevent exposure to pathogen?
    Quarantaine, breaking transmission cycle
  • What is a definitive host?
    Host in which pathogen reaches maturity and reproduces
  • What is a transport host?
    Host in which pathogen undergoes no essential development
  • What is a reservoir?
    Long-term natural host of a pathogen, don't cause disease
  • What is the difference between common source epidemic and propagated epidemic?
    Common source epidemic is the spread of an infectious disease via a common source (e.g. Contaminated water). All sick individuals because sick as a result of the common source.

    In propagated epidemics, the disease is spread from human-to-human. The spread of a common source epidemic is much more sudden and rapidly. The spread of a propagated epidemic is more gradual.
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