The comment came one day after Prince William joked that he and wife Kate Middleton were "spreading coronavirus" during their tour of Ireland

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Prince William isn’t the only royal to joke about the coronavirus.

During a royal outing on Wednesday, Camilla, Duchess of Cornwall and Prince Charles visited the London Transport Museum, where Camilla joked, “I’m self-isolating,” while ducking into a one-person air raid shelter on Wednesday.

The comment came one day after Prince William joked that he and wife Kate Middleton were “spreading coronavirus” during their three-day tour of Ireland.

“Sorry! We’re keeping an eye on that, so do tell us if we need to stop!” he said while chatting with a National Ambulance Service paramedic during a reception at Dublin’s Guinness Storehouse.

RELATED: Prince William Jokes That He and Kate Middleton Are ‘Spreading’ Coronavirus During Ireland Tour

Prince Charles, Prince of Wales (L) reacts as Britain's Camilla, Duchess of Cornwall (C) tries out a one person air raid shelter during their visit to the London Transport Museum in London on March 4, 2020
Credit: VICTORIA JONES/POOL/AFP via Getty

“I bet everyone’s like, ‘I’ve got Coronavirus, I’m dying’, and you’re like, ‘No, you’ve just got a cough,’ ” the 37-year-old royal said, asking, “Does it seem quite dramatic about coronavirus at the moment? Is it being a little bit hyped up do you think in the media?”

So far, there have been two confirmed cases of coronavirus in Ireland, with the most recent one discovered late Tuesday night, the Irish Times reports.

Catherine, Duchess of Cambridge and Prince William, Duke of Cambridge attend a reception hosted by the British Ambassador to Ireland Robin Barnett at the Guinness Storehouse’s Gravity Bar during day one of their visit to Ireland on March 03, 2020 in Dublin, Ireland
Kate Middleton and Prince William
| Credit: Samir Hussein/WireImage

A royal source tells PEOPLE that Prince William has been taking the threat of the coronavirus seriously and that the couple is following guidance from Public Health England and the Department of Health — and that means “business as usual” for now.

Queen Elizabeth wore gloves for an investiture ceremony on Tuesday, prompting speculation whether she was taking precautions against coronavirus. It is not uncommon for the 93-year-old monarch to wear gloves, but she has not been known to wear them during investiture ceremonies.

Queen Elizabeth II
Queen Elizabeth
| Credit: PA Wire/PA Images

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Coronavirus cases in the U.K. have recently risen to 85, according to the BBC. No deaths have been reported in the U.K. at this time.

The outbreak has sickened more than 94,000 people worldwide, according to the New York Times. As of Wednesday, at least 3,210 have died, with the majority of the deaths in China, where the virus first spread.