This marks the third year that vaccine manufacturers have updated their COVID-19 vaccine formulations to better match circulating variants. The older versions of the vaccines are no longer available.
On Aug. 22, the Food and Drug Administration approved and authorized newer formulations of the two mRNA vaccines, from Pfizer/BioNTech and Moderna, for ages 6 months and up. About a week later ...
Get local news you need to know to start your day with ... This marks the third year that vaccine manufacturers have updated their COVID-19 vaccine formulations to better match circulating variants.