4M Americans received updated COVID-19 vaccines in Sept.: report
Wirestock
Roughly 4M people in the US reportedly received updated COVID-19 vaccines in September.
A spokesperson for the US Department of Health and Human Services told Reuters that 4M Americans were able to get the newly updated shots last month. They added that the Biden administration was working with drugmakers and distributors through HHS to ensure that vaccines were getting to vaccination sites as quickly as possible. 
The FDA authorized and approved updated vaccines by Pfizer (NYSE:PFE)/BioNTech (NASDAQ:BNTX) and Moderna (NASDAQ:MRNA) in September. 
On Tuesday, the agency also authorized an 
updated vaccine by Novavax (NVAX).
More on COVID-19 vaccines

Novavax spikes as FDA clears updated COVID shot
CDC recommends COVID-19 shots for people age six months and older (update)

Updated COVID boosters to divide America

FDA green lights Moderna, Pfizer updated COVID-19 vaccines