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The Spreading of Disease. The Spreading of Disease: Infection. Infectious diseases spread in one of four ways: Contact with infected person Contact with contaminated object Contact with infected animal Contact with environmental source. Carrier vs. Vector.

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the spreading of disease infection
The Spreading of Disease: Infection
  • Infectious diseases spread in one of four ways:
    • Contact with infected person
    • Contact with contaminated object
    • Contact with infected animal
    • Contact with environmental source
carrier vs vector
Carrier vs. Vector
  • Vector—insect spreading disease (tick, mosquito)
  • Carrier—organism that has a virus or bacteria but not showing the signs of the disease.
    • Person with HIV
antibiotics
Antibiotics
  • Antibiotics work on bacterial infections
    • Bacteria can become antibiotic resistant
      • Due to overuse or not taken the medicine as prescribed.
  • Examples of antibiotics:
    • Z-packs, CepCor, Penicillin, etc
penicillin
Penicillin
  • Alexander Fleming discovered penicillin by accident
    • Penicillin is a fungus
vaccines
Vaccines
  • Vaccine—a weakened or dead version of the actual virus/bacteria given to you to force your immune system to build antibodies against the disease.
    • Flu shot
your body
Your Body
  • Pathogen—a microbe that cause disease
  • Antibodies—kill pathogens in body
  • Activity Immunity—organism gets virus and builds up antibodies for virus
  • Passive Immunity—inject with antibodies from another organism
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