A mobile medical station in New York City makes it convenient to get an updated Covid-19 vaccine or booster to protect against Covid-19 variants while raising awareness that the illness is still active. | Deb Cohn-Orbach/UCG/Universal Images Group via Getty Images<br>
On Thursday, a new Covid-19 vaccine was approved by the Food and Drug Administration, and Americans should be able to access the new shots in the next few days.
The vaccines come amid one of the worst Covid waves of the last two years.