LOS ANGELES -- U.S. regulators issued new guidance this week shortening the time that people who received Moderna or Pfizer's COVID-19 vaccine have to wait for a booster, and it's different than the ...
As more Americans receive their COVID-19 vaccination daily, many are wondering how long they'll be effective for and whether some people will require booster shots at some point. Dr. Elizabeth Hudson, ...
Moderna announced on Wednesday it has completed its submission to the US Food and Drug Administration for full approval of its COVID-19 vaccine for people age 18 and older, and Pfizer and BioNTech ...