U.S. health officials say fully vaccinated Americans don’t need to wear masks outdoors unless they are in a big crowd of strangers.
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U.S. health officials have lifted an 11-day pause on Johnson Johnson vaccinations following a recommendation by an expert panel.
New research suggests the protection the Moderna vaccine gives against COVID-19 lasts for at least six months.
Describing vaccines as an “essential tool” in the pandemic battle, Francis called for a “spirit of global responsibility.”
The Centers for Disease Control and Prevention said Friday that fully vaccinated people can travel within the U.S. without getting tested for COVID or going into quarantine.
The COVID-19 pandemic pushed total U.S. deaths last year beyond 3.3 million, the nation’s highest annual death toll, the government reported Wednesday.
Pfizer says its vaccine continues to be effective against COVID-19 up to six months later.