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Second COVID-19 vaccine approved by US as deaths grow

The U.S. added a second COVID-19 vaccine to its arsenal Friday, boosting efforts to beat back an outbreak so dire that the nation is regularly recording more than 3,000 deaths a day.

 
COVID-19 vaccine 95% effective, Pfizer seeking clearance in days

Pfizer says that more interim results from its ongoing coronavirus vaccine study suggest the shots are 95% effective and that it protects older people most at risk of dying from COVID.

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