Vaccination

Question 1

What can vaccination help avoid?

Answer 1

Suffering from a disease

Question 2

What do vaccines contain?

Answer 2

Antigens that cause your body to produce memory cells against a particular pathogen, without the pathogen causing disease

This means you become immune without getting any symptoms

Question 3

What is herd immunity?

Answer 3

Vaccines protect individuals because they reduce the occurrence of the disease, those not vaccinated are also less likely to catch the disease

Question 4

What do vaccines contain?

Answer 4

Antigens which may be free or attached to a dead or attenuated pathogen

Question 5

How can vaccines be given?

Answer 5

Injections

Taken orally

Question 6

What are the disadvantages of taking a vaccine orally?

Answer 6

Could be broken down by enzymes in the gut or molecules of vaccine may be too large to be absorbed into the blood

Question 7

What are booster vaccines?

Answer 7

Vaccines given later to make sure that more memory cells are produced