Pfizer-BioNTech Covid-19 vaccine

The US Food and Drug Administration on Monday fully approved the Pfizer-BioNTech Covid shot, triggering a new wave of vaccine mandates as the Delta variant batters the country.
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Pfizer and BioNTech announced Thursday they would seek regulatory authorization for a third dose of their Covid-19 vaccine.
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Severe allergic reaction to Moderna's Covid-19 vaccine is "rare," US health authorities said Friday, with only 10 cases arising from more than four million first doses.
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The Pfizer-BioNTech Covid-19 vaccine will reach hospitals and other sites across the United States by Monday morning, a top official said Saturday, ready to be injected into the arms of millions of the most vulnerable Americans.
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The United States could start injecting the first Americans with the Pfizer-BioNTech Covid-19 vaccine by Monday, the country's health secretary said Friday.
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