Pfizer Says Tweaked COVID-19 Shots Boost Omicron Protection | Business News
By LAURAN NEERGAARD, AP Medical Writer 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 US still offer strong protection against severe COVID-19 disease and … Read more