http://www.newsweek.com/organizations-companies-mandating-covid-vaccines-after-pfizer-fda-approval-1622408

Several vaccine mandates across the U.S. were put in place on Monday after the Food and Drug Administration (FDA) approved the Pfizer-BioNTech COVID vaccine.

After the vaccine approval, which came following months of safety data analysis, President Joe Biden called on the private sector to "step up with vaccine requirements" in order to slow the virus' spread.