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A comment on FDA Authorizes Moderna, Pfizer-BioNTech Bivalent Covid-19 Vaccines Booster Dose. Parent comment

Re:FDA Authorizes Moderna, Pfizer-BioNTech Bivalent Covid-19... by Spellman on Wednesday August 31, 2022 @05:39PM (#32668713)
This is a Booster.

I'm sure they could develop a primary vaccine that starts with this strain as the base.

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Re:FDA Authorizes Moderna, Pfizer-BioNTech Bivalent Covid-19... by Izkata on Wednesday August 31, 2022 @06:07PM (#32668969)
In case you weren't aware, the primary shots and boosters (up until these two) were all the same shot. These also work the same as those.

The only reason it's not being treated as a primary shot is it wasn't tested as such (and probably also marketing purposes).

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