The CDC approved booster doses of the Moderna and Johnson & Johnson shots as well as the ability for recipients to mix and match vaccine brands as the push for widespread booster shots across the country continues.
The company says the booster improves immunity. Pfizer already has FDA clearance for its booster.
The company recently completed a study of the vaccine in children 5 to 11 years old. U.S. regulators will review the data before deciding whether to approve the vaccine for children.
Restrictions aim to decrease smoking among young people and black communities.