The first confirmed case of an American who got COVID-19 twice adds to scant but mounting evidence that people can be reinfected with the coronavirus—and get sicker than during the initial bout.
Oct 15, 2020
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The Biden administration intends for the COVID-19 public health emergency to end in May, while some lawmakers in Congress wish to end it immediately. The World Health Organization has declared we're on the verge of a turn ...
Feb 1, 2023
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Many countries around the world are now facing the difficult decision of when and how to ease lockdown restrictions due to the novel coronavirus. In the absence of a vaccine, it is likely there will be new waves of the epidemic, ...
Apr 24, 2020
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Senegal has been widely praised for its handling of the coronavirus pandemic, with few infections and life returning to normal, but the reason behind its success still divides experts.
Nov 27, 2020
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Shirley Shi has received three offers to be vaccinated against COVID-19—through her hometown, her Beijing residential area and her office area—but the human resources manager is in no rush.
Mar 7, 2021
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With new versions forcing vaccine makers to re-test jabs, the virus that causes COVID-19 has proven highly unpredictable.
Jan 4, 2022
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With a highly contagious COVID-19 variant spreading rapidly across the U.S., herd immunity—once heralded to be the way out of the pandemic—may no longer be a possibility, several Northeastern experts say.
Aug 16, 2021
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White House advisers have made the case recently for a "natural" approach to herd immunity as a way to reduce the need for public health measures to control the SARS-CoV-2 pandemic while still keeping people safe. This idea ...
Oct 28, 2020
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The term herd immunity comes from the observation of how a herd of buffalo forms a circle, with the strong on the outside protecting the weaker and more vulnerable on the inside.
Aug 1, 2019
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Texas Gov. Greg Abbott caused a stir recently when he said his state was "very close" to achieving herd immunity against COVID-19, that much-discussed but often-misunderstood goal that we've all been anticipating for months. ...
Apr 21, 2021
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