According to ITV, those a part of a Close Contact Cohort undergo PCR tests prior to arrival on set and during filming.
In response to Jenny’s reply, another commented: “But, what does that mean? Asking, because it does seem to be undoing sensible anti-virus measures.”
Hitting back, she said: “Do you really think we’d be flouting laws, guidelines and common sense on national television in front of millions?”
“Google ‘close contact cohort TV’ you’ll get a detailed explanation of what is involved.
source: express.co.uk