शनिवार, 5 नवंबर 2022

New Booster Shot Targets Covid Variants More Effectively, Pfizer Says


By Sharon LaFraniere from NYT U.S. https://www.nytimes.com/2022/11/04/us/politics/covid-booster-pfizer.html?partner=IFTTT

कोई टिप्पणी नहीं:

एक टिप्पणी भेजें