The rapid spread of the Alpha variant of COVID-19 resulted from biological changes in the virus and was enhanced by large numbers of infected people "exporting" the variant to multiple parts of the UK, in what the researchers ...
Jul 22, 2021
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Don't drink the water. That's the advice you may have heard for avoiding traveler's diarrhea. While it's a good start, the devil is in the details.
Jun 8, 2017
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After three years of implementing its "zero-COVID" strategy, China has dropped all COVID restrictions. In the weeks since, COVID-19 cases, hospitalizations, and deaths have skyrocketed in a country with low immunity and limited ...
Feb 3, 2023
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Local COVID-19 transmission was underway in California, New York, Florida and Texas well before the first reported U.S. case in Washington state on Jan. 20, 2020, according to a new study published in Nature, which indicates ...
Dec 8, 2021
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The number of people in South Africa who have tested positive for coronavirus has topped 700,000, official figures showed overnight, another grim milestone for the continent's worst-hit country.
Oct 17, 2020
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The spark that started the U.S. coronavirus epidemic arrived during a three-week window from mid-January to early February, before the nation halted travel from China, according to the most comprehensive federal study to ...
May 29, 2020
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Scientists already knew radiation exposure and a lack of gravity stress the bodies of astronauts. But new research may offer a better idea of what's driving some of that. It's a clue that could help them measure the physical ...
Oct 20, 2021
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When we were children, the summer holidays seemed to last forever, and the wait between Christmases felt like an eternity. So why is that when we get older, the time just seems to zip by, with weeks, months and entire seasons ...
Aug 11, 2016
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There are many things people research when planning a vacation or business trip abroad—such as the weather, how to get around a city and where to access free Wi-Fi. But one important piece of information that some people ...
Nov 26, 2019
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U.S. health officials said Sunday that while the omicron variant of the coronavirus is rapidly spreading throughout the country, early indications suggest it may be less dangerous than delta, which continues to drive a surge ...
Dec 5, 2021
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