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

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

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

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

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

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

A booster dose is also needed every 5 years.

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

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.

When the child receives a booster dose, you will need to tell the doctor if the previous shot caused any side effects.

Booster doses are required every six to twelve months.

One concern is that scientists do not know how long protection lasts, and thus, whether booster doses will be needed.

"Once the drug has been administered to a subject, there's no need to give him a booster dose, not even years later.

If a booster dose is needed, At least 3 months should pass between the first and second doses of this vaccine.

In a sense, the standard annual influenza shots are booster doses.

Also, the immunity wears off with time, and booster doses, perhaps given annually, are likely to be needed.

A booster dose is then recommended every 2 years during possible exposure to typhoid.

Male individuals are better protected because they are given an additional booster dose during military service.

If you have been vaccinated in the past, you may need a booster dose.

Sometimes, your immune system needs a refresher course, which is why you get booster doses of some vaccines.

No, booster doses of hepatitis B vaccine are not recommended routinely.

"I just took a booster dose," Trip continued.

Be sure to receive a booster dose of this vaccine every 2 years during continued exposure to typhoid.

Women now will be given a booster dose of Tdap after their 20th week of pregnancy.