Understanding Vaccines

What is the primary function of a vaccine?

• To replace the need for a healthy diet

• To strengthen the body's muscles

• To expose the immune system to a pathogen safely

• To cure diseases after they occur

Which of the following diseases has been controlled significantly due to vaccines?

• Common cold

• Asthma

• Polio

• Diabetes

What is herd immunity?

• Immunity developed by a single person

• Immunity that occurs when a large portion of a community becomes immune to a disease

• A type of immunity that only animals can develop

• A temporary immunity that lasts for a few days

What is a common minor reaction to a vaccine?

• Severe allergic reaction

• Swelling around the injection site

• Permanent immunity

• Instant recovery from all diseases

What should be done if a vaccine does not grant full immunity?

• Ignore it and hope for the best

• Check the effectiveness after the injection

• Take another vaccine immediately

• Avoid all future vaccinations