Vaccinations & Immunisation

• What happens to our immune system after exposure to a pathogen?

  It develops immunity to that pathogen
• What do vaccines allow us to do regarding pathogens?

  Expose ourselves without catching the disease
• What is the main pro of vaccines?

  They protect us from catching horrible diseases
• What is herd immunity?

  When enough people are immune to a pathogen
• What happens to a pathogen when enough people are immune?

  It won't have people to spread to
• What is a common problem with vaccines?

  They don't always grant full immunity
• What do we check after receiving important vaccines?

  If the vaccine has been effective
• What types of pathogens do vaccines work against?

  Bacteria and viruses