Money Workers face Jan. 4 deadline as Biden rolls out COVID-19 vaccine rules for large businesses November 4, 2021November 4, 2021Maureen Groppe, USA TODAYComments Off on Workers face Jan. 4 deadline as Biden rolls out COVID-19 vaccine rules for large businesses The rules fill in details of the COVID-19 vaccination requirement President Joe Biden announced earlier for businesses with 100 or more employees.