3.3.2 Advantages and Disadvantages

• What is the process of introducing weakened or inactive forms of a pathogen into the body called?

  Vaccination
• Vaccination provides immunity against specific diseases.

  True
• Vaccines can sometimes cause mild side effects like fever or soreness at the injection site
• Match the advantage with its explanation:

  Immunity ↔️ Vaccination prevents infection

  Herd immunity ↔️ Protects those who cannot be vaccinated
• What is one potential disadvantage of vaccination in terms of its effectiveness?

  Ineffectiveness
• What is one advantage of vaccination?

  Provides immunity
• What is one potential disadvantage of vaccination?

  Side effects
• How does vaccination provide immunity against specific diseases?

  Produces antibodies
• Vaccine side effects are usually mild and temporary
• The risk-benefit ratio of vaccination is highly favorable.


  True
• Vaccination stimulates the immune system to produce antibodies and memory cells, providing immunity against the disease.immunity
• What is the term for when a large proportion of a population is vaccinated, protecting even those who cannot be vaccinated?

  Herd immunity
• Vaccines are always 100% effective in preventing disease.

  False
• Vaccination provides immunity against specific diseases, preventing infection
• Herd immunity protects unvaccinated individuals in a community.


  True
• When a large proportion of a population is vaccinated, it can lead to herd immunity
• Vaccination stimulates the immune system to produce antibodies
• Herd immunity protects those who cannot be vaccinated.


  True
• Why may vaccines not always be 100% effective?

  Individual variations