Watch CBS News
Be the first to know
Get browser notifications for breaking news, live events, and exclusive reporting.
6/25: CBS Saturday Morning
Pfizer says tweaked COVID shots boost omicron protection
Pfizer announced Saturday that tweaking its COVID-19 vaccine to better target the omicron variant is safe and works — just days before regulators debate whether to offer Americans updated booster shots this fall. The vaccines currently used in the U.S. still offer strong protection against severe COVID-19 disease and death […]
