Lewis Hamilton is "not great" after testing positive for Covid-19.
The 35-year-old sports star recently revealed he has entered a 10-day period of isolation after being diagnosed with the illness and Mercedes boss Toto Wolff revealed Lewis is suffering mild symptoms but is in "safe hands".
He said: "He is not great. Covid-19 is something you mustn't take lightly and he is in safe hands. That is the most important. But it is those early days that are always not so nice.
"Mild symptoms and then obviously, as you can imagine, a race driver out of his car and combine it with Covid, he would rather sit in there [the team garage]."
Hamilton, who was recently crowned Formula One world champion for a record-equalling seventh time, has been forced to miss this weekend's Sakhir Grand Prix in Bahrain due to his illness.
He shared the news of his diagnosis on social media earlier this week, saying: "Hi guys, I'm devastated that I won't be racing this weekend. Since we started the season in June my team and I have been taking all the precautions we possibly can and following the regulations everywhere we have been in order to stay safe.
"Unfortunately, even though I returned three negative results this past week, I woke up yesterday morning with mild symptoms and requested another test which came back positive. I have immediately gone into self-isolation for 10 days.
"I am gutted not to be able to race this weekend but my priority is to follow the protocols and advice to protect others.
"I am really lucky that I feel OK with only mild symptoms and will do my best to stay fit and healthy."
The Mercedes driver also urged his social media followers to remain careful amid the pandemic.
His statement continued: "Please look after yourselves out there, you can never be too careful. These are worrying times for everyone and we need to make sure we are looking after ourselves and each other. Stay positive."
Lewis is the third Formula One driver to have contracted the virus.
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