How Vaccines Work - Activities

Read through the resource with pupils either as a group reading exercise or use a volunteer. Alternatively ask pupils to attempt the activity alone with a word bank.
At each image pause to allow pupils to identify the word. Click on the image to give immediate feedback that the word is correct. Pupils can then write the word on their copy for their notes.

How vaccines work!

A vaccination is usually an of a weakened or harmless version of a .

The introduction of a into the will stimulate an immune response.

When the enter the body, on the surface of the are recognised by .

Of these many kinds of one would produce which are in shape to the on the and it will itself so that there are many cells producing the same shaped .

Once the body recognises that the invading has been neutralised, the of the die off but leave in the blood. If the is encountered again they produce lots of quickly so all the invading are destroyed before any symptoms of the disease are seen.

Injection Microbe(s) Lymphocytes Blood Antigens Antibodies Complementary Clone(s) Memory Cells