The federal government is teaming up with local health departments to begin testing sewage systems for the coronavirus in an effort to catch the virus before it spreads rapidly, according to the U.S. Centers for Disease Control.
USC researchers have found what appears to be the likely order in which COVID-19 symptoms first appear: fever, cough and muscle pain, then nausea and/or vomiting, then diarrhea.
U.S. testing for the coronavirus is dropping even as infections remain high and the death toll rises by more than 1,000 a day, a worrisome trend that officials attribute largely to Americans getting discouraged over having to wait hours to get a test and days or weeks to learn the results.
An experimental coronavirus vaccine developed by Johnson & Johnson protected monkeys from infection in a new study. It is the second vaccine candidate to show promising results in monkeys this week.
The company recently began a clinical trial in Europe and the United States to test its vaccine in people. It is one of more than 30 human trials for coronavirus vaccines underway across the world. But until these trials are complete — which will probably take several months — the monkey data offers the best clues to whether the vaccines will work.
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