Vaccinations

Question 1

Define herd immunity

Answer 1

When the majority of people have been vaccinated so therefore people who aren’t vaccinated are less likely to get the disease

Question 2

What is a vaccine made up of?

Answer 2

Dead or weakened versions of a pathogen

Question 3

What are memory cells?

Answer 3

Memory cells remember particular antigens so, if they appear in your body in the future, your immune system can mount a defense quickly.

Question 4

Why is the secondary response to a pathogen usually more effective

Answer 4

As there are now memory cells that know how to make antibodies to destroy the pathogen

Question 5

True or false a person who is vaccinated can still pass on a virus

Answer 5

False - once vaccinated they cannot pass on or get the virus

Question 6

True or false one vaccine protects you from all viruses

Answer 6

False - a vaccine only protects you from the specific dead or weakened pathogen that was injected into you