pathogen

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    coVID-19 could bring back pathogens once made in the US

    In the first half of 2020, SARS-CoV-2—the new coronavirus behind the disease COVID-19—infected 10 million people around the world and killed about half a million. But few countries have been as severely hit as the United States, which has just 4 percent of the world’s population but a quarter of...
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