Vaccines tell your child’s own immune system how to prevent certain kinds of disease.
vaccine uses a tiny amount of substance that lets your child’s body build up antibodies
to a virus or bacteria. This helps to prevent many types of diseases caused by
A vaccine is most often done with an injection by a small needle into an arm or leg.
Some vaccines work in 1 shot. Others need to be done in 2 or more shots over a period
time. Some need to be repeated every year. The flu vaccine is an example. This lets
child’s immune system build up the right amount of antibodies.
Combination vaccines can help prevent more diseases with fewer shots. These vaccines
have more than 1 type of prevention in a single dose.