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As World Shuts Borders to Stop Omicron, Japan Offers a Cautionary Tale

TOKYO — With the emergence of the new Omicron variant of the coronavirus late last week, countries across the globe rushed to close their borders to travelers from southern Africa, even in the absence of scientific information about whether such measures were necessary or likely to be effective in stopping the virus’s spread. Japan has …

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Antiviral Covid-19 Pills Are Coming. Will There Be Enough Tests?

Currently, the most effective treatments available for Covid in the U.S. are monoclonal antibody drugs, which bind to the virus and stop it from infecting cells. But these treatments are typically administered intravenously by health care workers. This can pose logistical challenges both for hospitals, many of which are overburdened and short-staffed, and for patients, …

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Stamping Bar Codes on Cells to Solve Medical Mysteries

No one really knew why some patients with a white blood cell cancer called chronic lymphocytic leukemia, or C.L.L., relapsed after treatment and got a second cancer. Were some cancer cells just resistant? An unexpected answer to this mystery has been found using a new technique that researchers call bar coding: The treatment does not …

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Climate Change Driving Some Albatrosses to ‘Divorce,’ Study Finds

MELBOURNE, Australia — Albatrosses usually mate for life, making them among the most monogamous creatures on the planet. But climate change may be driving more of the birds to “divorce,” a study published last week by New Zealand’s Royal Society says. The study of 15,500 breeding pairs of black-browed albatrosses on New Island in the …

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