Comments on: FDA authorizes Pfizer-BioNTech coronavirus vaccine booster for older Americans and those at high risk of illness https://russian.lifeboat.com/blog/2021/09/fda-authorizes-pfizer-biontech-coronavirus-vaccine-booster-for-older-americans-and-those-at-high-risk-of-illness Safeguarding Humanity Thu, 23 Sep 2021 23:23:54 +0000 hourly 1 https://wordpress.org/?v=6.4.3