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New Airflow Videos Show Why Masks With Exhalation Valves Do Not Slow the Spread of COVID-19New Airflow Videos Show Why Masks With Exhalation Valves Do Not Slow the Spread of COVID-19

Many people wear masks in public to slow the spread of COVID-19, as recommended by the Centers for Disease Control and Prevention (CDC). However, masks with exhalation valves do not slow the spread of the disease, and now, new videos from the National Institute of Standards and Technology (NIST) show why. 

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Thinking About a Holiday Gathering? Look at This Risk Map First

Thinking About a Holiday Gathering? Look at This Troubling Map First

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Is Your State Doing Enough Coronavirus Testing

An average of 1,193,000 tests per day we

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As Resurgence of Virus Overwhelms the States, Washington Pulls back. Shortages of PPE

WASHINGTON — When senior Food and Drug Administration officials held their morning call one day this week, they received a sobering warning from the agency’s chief, Dr. Stephen M. Hahn, who had just gotten off the phone with the White House: Block out “all the craziness” afoot and stay focused on fighting the pandemic, he said.

There are plenty of distractions. President Trump is pushing to overturn the results of the election and his only public statements about the coronavirus in the last few days were to make clear his pique that good news about a vaccine had not come until after Election Day — even as the number of new daily infections on Wednesday topped 140,000, average daily deaths shot past the 1,000 mark, and Covid-19 hospitalizations hit a record high of 65,368.

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