He'll keep for another three hours without a booster shot.
Those who have already had their booster shot do not need another.
Studies are under way to see how long the vaccine will last and if a booster shot is needed.
We need someone to come in and give us a booster shot.
The booster shots are then given between 4 and 6 years of age.
The booster shots are sometimes given 1 month and 6 months after the first shot.
But the booster shot was not enough to keep a rally going.
This is a bit like getting an airborne booster shot.
The booster shots are usually given 7 days and 2 weeks to 1 month after the first shot.
If a booster shot is needed later, that could mean another $120.