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October 21, 2021

The U.S. Food and Drug Administration announced it was expanding the emergency use authorization for COVID-19 vaccines to allow more booster shots.
The expanded EUA allows a single booster dose of the Moderna vaccine, which may be administered at least six months after being fully vaccinated. Individuals that are the following are eligible for a booster:
- 65 years and older
- 18 through 64 years of age at high risk of severe COVID-19
- 18 through 64 years of age with frequent institutional or occupational exposure to COVID-19
The EUA is also expanded to allow a single booster dose of the Johnson & Johnson vaccine, and may be administered at least two months after individuals 18 and older are fully vaccinated.
Last month, the FDA approved Pfizer vaccine booster shots.