US news network CNN has sacked three employees for going into an office without having been vaccinated against Covid, US media say, the BBC reports.
It is one of the first examples of a US firm firing staff for breaching a company vaccination mandate.
It is legal in the US for firms to require employees to be vaccinated.
Many large firms – including Facebook and Google – say they will require employees to be vaccinated when offices fully re-open in the months ahead.
CNN chief Jeff Zucker mentioned the dismissal in a company memo sent on Thursday and seen by several US media outlets.
Vaccination is mandatory for anyone reporting in the field, working with any other employees or going into an office, he is quoted as saying in the memo.
