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.
While the world waits for a widely available, safe, and effective COVID-19 vaccine, scientists are becoming ever more creative in their search for other ways to protect people from the disease. Now, a clinical trial has begun in Australia to find out whether nasal drops that contain chicken antibodies to SARS-CoV-2 can offer temporary protection.
More than 10 million people in the U.S. have had confirmed coronavirus infections and more than 230,000 have died of COVID-19. Tens of thousands of new cases are reported daily nationwide. In the graphics below, explore the trends in your state.
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