Pfizer and BioNTech launch trial of Omicron-targeted COVID vacci

來源: 2022-01-25 10:12:47 [舊帖] [給我悄悄話] 本文已被閱讀:

https://www.reuters.com/business/healthcare-pharmaceuticals/pfizer-biontech-launch-trial-omicron-targeted-covid-vaccine-2022-01-25/