booster *
booster dose
booster shot
recall dose

In Canada, a booster dose is recommended after 7 years.

After the initial series, a booster dose is given every 10 years.

Follow your doctor's instructions about receiving a booster dose if needed.

A fifth booster dose should be given at 4-6 years of age.

A fifth booster dose is given between 4 and 6 years of age.

These last two problems have never been reported after a booster dose.

A booster dose is recommended at 4 to 6 years, before the child enters school.

And we say that some people need a booster dose every 5 years.

The booster doses are then given at 4-week to 10-week intervals before the child reaches 32 weeks of age.

In addition, booster doses are not effective when administered less than 6 months apart.