2021 V3 Vaccines

• Biologie
• Middelbare school
• vwo
• Leerjaar 3

Concepts

vaccine, vaccination, immunity, herd immunity, artificial immunity, dead pathogen, weakened pathogen

Learning goals

Explain how vaccine provides immunity;
Explain the importance of herd immunity;

Explain the relationship between antigens and antibodies.

Why don't you get sick when you get a vaccine?

Two common side effects of vaccines are arm pain and fever. Why are these two side effects to be expected?

Amount of antibody in the blood after twice being infected by the same pathogen

In some countries, 12-year-old boys are offered the HPV vaccine. They cannot get cervical cancer themselves (they do not have a uterus). Why would a vaccination of boys help prevent HPV in girls?

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What is the main risk if too few people are immune to a particular disease?

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Which groups run a high risk of becoming ill if there is too little herd immunity?