Vaccinations

Cards (19)

  • What is the main topic of the video?
    How vaccines work and their pros and cons
  • What happens to our immune system after exposure to a pathogen?
    It generally develops immunity to that pathogen
  • Why is it problematic to catch a disease for the first time?
    It can range from unpleasant to lethal
  • What is the purpose of vaccines?
    To expose us to pathogens without causing disease
  • What do vaccines contain?
    Weakened or inactivated pathogens
  • How does the body respond to the antigens in vaccines?
    By producing antibodies and developing immunity
  • How many diseases are we vaccinated against by primary school?
    More than a dozen diseases
  • What is one major pro of vaccines?
    They protect us from catching horrible diseases
  • What larger scale effect do vaccines have on diseases?
    They help control diseases that were common
  • What is herd immunity?
    When enough people are immune to a pathogen
  • How does herd immunity affect disease spread?
    It prevents the pathogen from spreading
  • What happens if a few people aren't vaccinated in a herd immunity scenario?
    They're unlikely to catch the disease
  • What is a common problem with vaccines?
    They don't always grant full immunity
  • How do we check if an important vaccine has been effective?
    By checking after the injection
  • What are some bad reactions to vaccines?
    Swelling, fevers, or seizures
  • How common are bad reactions to vaccines?
    They are pretty rare
  • Where can you find more videos and resources on vaccines?
    On the website Cognito
  • What additional resources does the website Cognito offer?
    Questions, flashcards, and past papers
  • What does Cognito track for users?
    Your progress in studying