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Published on September 28, 2021

Booster Shot written on Bandage

Video: Booster Versus a Third Dose: What’s the Difference?

Ever wondered why people are distinguishing between a third dose and a booster shot when discussing the COVID-19 vaccine?

The Centers for Disease Control recommends that immunocompromised people get a third dose of the COVID vaccine to boost their immune response. This includes people diagnosed with cancer or who had an organ transplant.

That’s in addition to the CDC now recommending the Pfizer booster shot for certain populations. Only people who received the initial two-dose Pfizer vaccine are eligible for the booster.

Learn more about COVID treatment and where to get vaccinated.

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