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The recommendation applies to people 65 years and older, those 18 to 64 who are at high risk of severe COVID and those whose work or institutional exposure puts them at high COVID risk.
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Should people who get a COVID booster get a different vaccine from their original shot? The results of a highly anticipated study suggest that in some cases the answer may be yes.
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But the researchers stressed that all three vaccines, including the Pfizer and Johnson & Johnson shots, provide strong protection against people getting so sick that they end up in the hospital.
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Moderna submitted data from 344 volunteers who got a third shot of the vaccine six months after their first two doses. The additional shot significantly boosted immunity, the company said.
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Pfizer and Moderna each agreed to supply 100 million doses of COVID-19 vaccine to the U.S. by the end of March. With just under three weeks left, both companies have their work cut out for them.
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The two companies producing COVID-19 vaccines for use in the United States will have to raise production to meet contractual goals of 100 million doses each by the end of March.
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In a new round of tests, the drug company wants to see if booster doses of its vaccine will ramp up defenses against emerging strains of the coronavirus.
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The two companies making COVID-19 vaccines each promised to deliver 100 million doses to the federal government by the end of March. So far, they appear to be running behind.
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"Now we are working at full speed to approve it & make it available in the EU," said EU Commission President Ursula von der Leyen. It is be the second vaccine to get EU authorization.
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The Food and Drug Administration greenlights the biotech firm's vaccine for emergency use in the U.S. The move bolsters a vast inoculation effort that's already underway.