HomeIFTTT New Booster Shot Targets Covid Variants More Effectively, Pfizer Says byTechnical Raviji -November 05, 2022 By Sharon LaFraniere from NYT U.S. https://ift.tt/hkN2afl via IFTTT Tags IFTTT NYT Facebook Twitter Share:New Booster Shot Targets Covid Variants More Effectively, Pfizer Says Facebook Twitter WhatsApp Pinterest LinkedIn Reddit Tumblr Telegram Email