Do You Need a Second Booster Shot? An Epidemiologist Scoured the Latest Research and Has Some Answers - Brooklyn Reader

Does the third shot wane over time? Is a fourth dose necessary? What if you’ve had a previous infection?

In late March 2022, the U.S. Food and Drug Administration authorized a second booster shot of COVID-19 vaccines for vulnerable populations in the U.S., a move that was soon after endorsed by the Cent… [+7481 chars]

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