The Biden administration on Wednesday spelled out how it will require private businesses to ensure employees get vaccinated against COVID-19, or submit to regular testing. The rule, which would go into effect Jan. 4, impacts some 84 million private sector workers. Amna Nawaz gets the details from Labor Secretary Marty Walsh. Stream your PBS favorites with the PBS app: https://to.pbs.org/2Jb8twG Find more from PBS NewsHour at https://www.pbs.org/newshour Subscribe to our YouTube channel: https://bit.ly/2HfsCD6 Follow us: Facebook: http://www.pbs.org/newshour Twitter: / newshour Instagram: / newshour Subscribe: PBS NewsHour podcasts: https://www.pbs.org/newshour/podcasts Newsletters: https://www.pbs.org/newshour/subscribe