CNN fired three undocumented workers

This is one of the first examples of an American company that shuts down staff because of vaccines.

In America it is legal for firms to ask workers to be vaccinated, reports the BBC, for Periscopi.

Many large firms including Facebook and Google have said they will ask workers to be vaccinated when their offices are reopened in the coming months.

CNN chief Jeff Zucker cited downloading to a company memo sent many American media. /Periscope