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    Fauci, Vaccines and Travel News: Live Updates

    Colin Carlson, a biologist at Georgetown University, has started to worry about mousepox. The virus, discovered in 1930, spreads among mice, killing them with ruthless efficiency. But scientists have never considered it a potential threat to humans. Now Dr. Carlson, his colleagues and their computers aren’t so sure. Using a technique known as machine learning, […] More