Fighting Disease: Vaccinations

Question 1

What are vaccinations

Answer 1

Involve injecting small amounts of dead or inactive pathogens, these carry antigens which causes your body to produce antibodies to attach them- even though the pathogen is harmless

Question 2

Example of a vaccination

Answer 2

MMR: contains weakened versions of the viruses that cause measles, mumps and rubella all in one

Question 3

What happens if the live pathogens re enter the body

Answer 3

The white blood cells can rapidly mass produce antibodies to kill the pathogen

Question 4

Give 2 advantages of vaccination

Answer 4

1. Helped control communicable diseases that were once common in the UK (smallpox)
2. Big outbreaks of disease (epidemics) can be prevented if a large percentage of the population is vaccinated

Question 5

Give 2 disadvantages of vaccines

Answer 5

1. Sometimes they don’t give immunity

2. Sometimes a bad reaction to a vaccine (fever)