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FDA Approves and Authorizes Updated mRNA COVID-19 Vaccines …
Pfizer-BioNTech COVID-19 Vaccine COMIRNATY® Receives …
Pfizer’s updated COVID-19 vaccine approved by Health Canada
FDA Takes Action on Updated mRNA COVID-19 Vaccines to Better …
Pfizer and BioNTech Announce Positive Topline Data for mRNA …
FDA Approves First COVID-19 Vaccine
Health Canada approves updated Pfizer COVID-19 vaccine - CTV News
PFE & BNTX Get Positive CHMP Opinion for Updated COVID-19 Jab
Why the Pfizer-BioNTech Covid-19 Vaccine Is Called Comirnaty
Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine