California and Colorado expanded booster shot eligibility to all adults who received their second dose of Moderna's or Pfizer's COVID-19 vaccine at least six months ago.
California and Colorado start COVID-19 booster shots for all adults
Live Science - 12 Nov 2021 20:07
California and Colorado expanded booster shot eligibility to all adults who received their second dose of Moderna's or Pfizer's COVID-19 vaccine at least six months ago.
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