Health
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PublishedAugust 31, 2020
What is herd immunity and why are Trump officials pursuing an idea WHO calls ‘dangerous’?
With a population of 328 million in the United States, it may require more than 2 million deaths to reach a 65% threshold of herd immunity.
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PublishedAugust 27, 2020
In contrast to recent U.S. flip-flop, UN backs testing people without symptoms
The World Health Organization says countries should actively test people to find coronavirus cases even if they don’t show symptoms, in order to stop its spread.
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PublishedAugust 27, 2020
Six feet may not be enough to protect against coronavirus, experts warn
Factors such air circulation, ventilation, exposure time, crowd density, whether people are wearing face masks, and whether they are silent, speaking, shouting or singing should be part of assessing whether six feet is sufficient, experts say.
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PublishedAugust 25, 2020
New U.S. virus cases fall as masks gain favor, but testing lags
Even at 43,000 new cases per day, the U.S. remains far above the numbers seen during the spring, when new daily cases peaked at about 34,000.
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PublishedAugust 25, 2020
Genetic data show how one ‘superspreading’ event sent virus across the world
A study of nearly 800 coronavirus genomes shows that viruses carrying the conference's characteristic mutation infected hundreds of people in the Boston area, as well as victims from Alaska to Senegal to Luxembourg.
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PublishedAugust 20, 2020
Pandemic pushes expansion of ‘hospital-at-home’ treatment
The programs are taking off, thanks to communications technology, portable medical equipment and teams of doctors, nurses, X-ray techs and paramedics.
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PublishedAugust 20, 2020
Growing evidence shines a light on children’s role in virus transmission
A new paper finding high viral loads and high positivity rates in children joins other studies suggesting that some children may be “silent spreaders.”
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PublishedAugust 19, 2020
Taking one of the latest coronavirus tests to gain federal approval is as easy as spitting
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PublishedAugust 18, 2020
Some inaccurate results underscore complexity of developing reliable COVID-19 tests
Less is known about the accuracy of COVID-19 tests because of how quickly they were rushed through the regulatory process because of the pandemic.
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PublishedAugust 18, 2020
Fed up with anti-maskers, mask advocates are demanding mandates, fines – and common courtesy
Three-quarters of Americans favor requiring people to wear face coverings in public to stop the spread of the novel coronavirus.
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