F.D.A. Authorizes Pfizer Booster Shot for Higher-Risk People

[news]

Regulators said that people over 65 or at high risk of severe Covid-19 were eligible for an extra shot, setting up a staggered national booster campaign.

More... (https://www.nytimes.com/2021/09/22/us/politics/pfizer-boosters-fda-authorize.html)