Sept 22 (Reuters) - FDA:

* FDA SAYS AUTHORIZES BOOSTER DOSE OF PFIZER-BIONTECH COVID-19 VACCINE FOR CERTAIN POPULATIONS

* FDA SAYS AUTHORIZES BOOSTER DOSE OF PFIZER-BIONTECH COVID-19 VACCINE FOR INDIVIDUALS 65 YEARS OF AGE AND OLDER

* FDA SAYS AUTHORIZES BOOSTER DOSE OF PFIZER-BIONTECH COVID-19 VACCINE FOR INDIVIDUALS 18 THROUGH 64 YEARS OF AGE AT HIGH RISK OF SEVERE COVID-19

* FDA SAYS AUTHORIZES BOOSTER DOSE OF PFIZER-BIONTECH COVID-19 VACCINE FOR INDIVIDUALS 18 THROUGH 64 YEARS OF AGE THAT PUTS THEM AT HIGH RISK