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03-31-2022, 07:32 AM
It came after federal health officials cleared an additional booster dose of Pfizer-BioNTech or Moderna vaccines for people over 50 and for many of those who have compromised immune systems.
More... (https://www.nytimes.com/2022/03/30/us/politics/biden-second-booster-covid.html)
More... (https://www.nytimes.com/2022/03/30/us/politics/biden-second-booster-covid.html)