COVID-19 vaccine 3rd dose vs. booster — what's the difference?

COVID-19 vaccine 3rd dose versus booster — what's the difference?

For the COVID-19 vaccine, the terms booster shot and third dose seem to be used interchangeably. But there is a difference.

Here’s what you need to know:

vaccine

COVID-19 Vaccines

Valley is offering an initial two-dose round of the Pfizer vaccine, a third Pfizer vaccine dose for immunocompromised patients 12 and older, and a booster Pfizer dose for those who have been deemed eligible by the CDC.

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