gcse science: AQA A immunity (vaccination)

what does immunity mean?

if you are immune to something this means you are not affected by a disease.

how do you become immune to a disease?

you are injected with a dead or inactive form of a pathogen which develops immunity to the body.

how do you develop immunity?

the dead or inactive form of a pathogen is inserted in to your body. white blood cells produce antibodies which will recognise the antigen(protien shape). white blood cells known as lymphocytes…