Health, Sports & Psychology
The MMR vaccine: public health, private fears
...system but not cause any symptoms of the diseases themselves. The vaccine is usually given in two doses, both by injection. The first dose is given to babies aged 12–15 months, and the second (a ‘booster’) is given at school age, intended to protect those children (about 5–10%) that did not respond to the first dose. The triple vaccination programme was introduced...