Pfizer says its COVID-19 vaccine may need a shot in the arm and will seek emergency authorization for a so-called booster shot; CBS2's Dick Brennan reports.
Pfizer says its COVID-19 vaccine may need a shot in the arm and will seek emergency authorization for a so-called booster shot; CBS2's Dick Brennan reports.
Health experts are continuing to look into the effectiveness of a third COVID-19 shot.
Pharmaceutical giant Pfizer is expected to meet with government officials today to discuss the need for a possible COVID-19 vaccine..