Topic 3 - Infection and response ( 6. fighting disease - vaccination )

Question 1

what are vaccinations

Answer 1

when you are infected with a disease it can take you wbcs a couple of days to learn how to deal with it until then you can be quite sick. vaccinations help you to not get sick in the first place.

Question 2

what is in the vaccination

Answer 2

involve injecting small amounts of dead or inactive pathogens. these carry antigens which cause your wbcs to produce antibodies to attack them even though the pathogen is harmless. when the same pathogen appears at a later date the wbcs can rapidly mass produce antibodies to kill off the pathogens. the vaccinated person is now immune and won’t get ill.

Question 3

pros of vaccination

Answer 3

helps control costs of infectious diseases that were once common in the UK.
big outbreaks of disease called epidemics can be prevented of a large % of population is vaccinated.

Question 4

cons of vaccinations

Answer 4

vaccines don’t always work

sometimes have bad reaction to a vaccine.