Diseases, Conditions, Syndromes

Spain races to vaccinate young people as infections surge

As the coronavirus swept across Europe last year, Spain was among the worst affected countries in the region: soaring death rates, hospitals overrun, and millions confined to their homes as a national lockdown took hold.


'Camouflage breakers' can find a target in less than a second

After looking for just one-twentieth of a second, experts in camouflage breaking can accurately detect not only that something is hidden in a scene, but precisely identify the camouflaged target, a skill set that can mean ...


Many U.S. troops refusing COVID-19 vaccination

Thousands of U.S. military personnel are refusing or delaying COVID-19 vaccination, even as service members are being deployed to help give shots at vaccination centers nationwide.

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