McLaren chief executive Zak Brown will miss the British Grand Prix after testing positive for COVID-19, it emerged on Thursday.
The team said in a statement: "McLaren Racing confirmed today that three team members, including CEO Zak Brown, tested positive for COVID-19 during the team’s rigorous testing programme before the British Grand Prix. Neither of our drivers are close contacts.
"All three cases are unconnected and now isolating in accordance with government guidelines. The team’s operations for the British Grand Prix are unaffected."
Brown added on his Twitter account: "I've notified all my close contacts and isolating in accordance with government guidelines. I'll still be connected to and supporting the team safely from home."
McLaren stand third in the constructors' championship, with Norris their standout performer, earning three third places among eight top-five finishes from nine races.
Ricciardo's best results have been three sixth-placed finishes and he stands eighth in the drivers' standings.
British driver Norris, fourth in the championship, will be eyeing a strong performance in this coming Sunday's race, as well as Saturday's inaugural sprint.
He was said to be "shaken" after having his expensive watch stolen after attending the Euro 2020 final last Sunday.