Facts on immunity

Siobhan, Leanna, Annelise, Martin & Fung; Vancouver


Wonder how vaccines work?

Vaccines are like a fire drill for your body's immune system – so you'll be ready when a real disease comes along.

Learn more about vaccines and immunity.

Childhood diseases

Vaccines have worked so well, many of us have almost forgotten what these diseases can do. But many of them are killers - and children are especially vulnerable.

Learn more about these diseases - and how to prevent them.