COVID 19 Tech

Pfizer CEO pushes for fourth shots as anxiety over BA.2 subvariant rises

Enlarge / Pfizer Chairman and CEO Dr. Albert Bourla speaks onstage at the 2022 SXSW Conference at JW Marriott Austin on March 14, 2022 in Austin. (credit: Getty | Chris Saucedo) While US health experts closely monitor upticks of COVID-19 cases in Europe as well as the global rise of the omicron subvariant BA.2, Pfizer […]