Brisk walking for two-and-a-half hours a week could prevent early death caused by lack of sleep – study | World News June 30, 2021June 30, 2021
Florida Gov. DeSantis says he is trying to prevent ‘real catastrophic flood situation’ at Tampa-area reservoir April 4, 2021
It’s possible to reach herd immunity, then lose it. Repeatedly. Here’s what you can do to help prevent that from happening March 30, 2021
Vaccines could prevent asymptomatic infection. Here’s why that’s key to ending the pandemic. March 19, 2021March 19, 2021
US coronavirus: Covid-19 vaccines may prevent infection and not just symptoms, study suggests February 20, 2021
Lawsuit accuses Valve of abusing Steam market power to prevent price competition • Eurogamer.net January 30, 2021January 30, 2021
Indoor portions of National Mall closed to prevent spread of Covid-19 January 24, 2021January 24, 2021