A journalist who has tested positive for the Delta variant believes he caught it while interviewing football fans outside Wembley Stadium.
Sky News reporter Enda Brady was just a day away from getting his second vaccination when he contracted the killer virus at the end of last month, causing him to become "very worried" for upcoming Freedom Day.
Mr Brady said he is struggling with the intense symptoms, including difficulty breathing and feeling dizzy just standing up, with his daughter having now also tested positive.
Speaking to Matt Cooper on Virgin Media's The Tonight Show on Friday, he said: "I've been covering Euro 2020 - I haven't actually been going into the stadium - I was broadcasting outside in the open air and it still got me. I was so careful.
"You do not want this, it is a nasty, horrible virus."
Asked if he had been mingling with fans outside the London stadium, Mr Brady said he had been conducting vox pops but had always been at least two metres away, using a boom mic on a pole.
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"This is day eight now and I'm no better," he continued, speaking over video call from his home which he shares with his wife and two children.
"I feel like I've got a pressure on my chest like someone squeezing my lungs, blinding headaches, get dizzy when I stand up.
"I'm out of breath just walking to the bathroom. And I'm in self-isolation here, it's very very unpleasant."
He added: "I'll be honest with you, Matt, I don't like going to sleep at night.
"My daughter has tested positive today with a PCR test so two of us have it. She's absolutely fine, there's no symptoms whatsoever. But it's worrying."
Mr Brady had his first jab on April 23 and said he was "so close" to getting his second one "and it got me".
The keen runner was due to take part in his 35th marathon last Sunday in Milton Keynes and was in his last block of training when the virus struck.
"I'm really shocked as to how quickly this has got a grip of me," he explained.
"I'm no better. I don't know what the prognosis is and I'm worried now about long-term damage, your lungs, your heart, just how you come back from this."
He said he has spent months interviewing people over Zoom and the message was always "you're not bulletproof" with people still testing positive after two jabs - but it was only when his diagnosis came that it hit home.
Mr Brady believes he had an earlier strain at the start of the pandemic in February 2020 but the Delta mutation - first identified in India - is "far more sinister".
"I believe I had Covid at the very outset of this and it bounced off me. 24 hours I was absolutely fine," he said.
Mr Cooper asked him about the prospect of stadiums in England allowing for full capacity when the league season kicks off in August.
Mr Brady said he was "very sceptical whether this is a good idea".
"I got this outside Wembley in the street - they're talking about having 60,000 people in the stadium for the semi finals and the final.
"Everyone's talking about Freedom Day on July 19.
"This thing is airborne, it's out there....there's nearly 1,800 people in hospital. If you look at the numbers it's going up and up and up."
"I thought we were coming out the other side and I'm really not so sure now. I'm very very worried," he added.
