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CDC study: Restaurant dining bans and mask mandates make a difference in COVID-19 rates
Counties that allowed restaurant dining saw increases in COVID-19 case and death rates, while those that implemented mask mandates saw declines in both.
U.S. embraces COVID-19 vaccines, improving odds of herd immunity
Americans are warming up to COVID-19 vaccines, with 19% saying they've already received at least one dose and 49% intending to do so when they get the chance.
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Doctors tally COVID-19's toll on hospitalized patients: 'It's costly and it's deadly'
A widespread study of nearly 200,000 U.S. adults hospitalized with COVID-19 found that the oldest patients were 19 times more likely to die than the youngest patients.
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COVID-19's death toll in northern Italy was staggering. Did air pollution play a role?
Air quality has been terrible for decades in Bergamo, in northern Italy, which last year suffered many COVID-19 deaths. Researchers see a connection.
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