Peter Marks (Greg Nash/Pool via AP Images)

FDA's top vac­cine leader ex­plains why Covid-19 'boost­er­s' may re­al­ly just be the 3rd shot in the pri­ma­ry se­ries

Don’t call it a boost­er. Well, call it a boost­er for a lit­tle while longer but then we’ll just say it’s the third dose of a three-dose vac­cine, ac­cord­ing to FDA’s top vac­cine leader Pe­ter Marks.

Speak­ing on a stake­hold­er call with physi­cian groups ear­li­er this week, Marks ex­plained how flu­id the sit­u­a­tion is with ter­mi­nol­o­gy, af­ter a rep­re­sen­ta­tive from the Amer­i­can Acad­e­my of Fam­i­ly Physi­cians said there’s con­fu­sion around whether what the FDA au­tho­rized last week is ac­tu­al­ly a boost­er or the third dose in this ini­tial se­ries of Covid-19 vac­cine shots.

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