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¿Qué significa para las escuelas la nueva variante del coronavirus?

La nueva variante, aunque más contagiosa, todavía se ve frustrada por estas medidas. Pero solo unas pocas escuelas en el

The incoming president, Joseph R. Biden Jr., has said he will reassert a federal strategy to bring the virus under

LONDON — All at once, the coronavirus seemed to change. For months, Dr. Steven Kemp, an infectious disease expert, had

LONDON — All at once, the coronavirus seemed to change. For months, Dr. Steven Kemp, an infectious disease expert, had

Because it’s not always practical to have all the windows wide open, especially in the depths of winter, Dr. Mathai

WASHINGTON — President-elect Joseph R. Biden Jr., racing against a surge in coronavirus cases and the emergence of a new

How the variant affects kids The new variant of the coronavirus, first identified in Britain, is expected to rapidly spread

But that study, Apoorva said, did not consider lax enforcement of safety standards in schools — like not requiring masks.

Fighting vaccine resistance with gift cards One reason that the start to the U.S. vaccination campaign has been so sluggish

Andy Murray has reportedly tested positive for coronavirus, putting his participation in next month’s Australian Open in doubt. Murray had