Charles is understood to have spoken to his mother and both his sons, Prince William and Prince Harry, since his diagnosis.
The 71-year-old, who is first in line to the British throne, has "been displaying mild symptoms but otherwise remains in good health," a Clarence House spokesperson said.
The heir to the British throne has tested positive for coronavirus, a spokesperson for Clarence House said.
The 93-year-old monarch left Buckingham Palace a week earlier than planned and was joined at Windsor Castle by husband Prince Philip.
Buckingham Palace said the 93-year-old monarch would be leaving London a week earlier than planned and will stay at Windsor until beyond the Easter period.
Included among the arrested is Mohammed bin Nayef, the former crown prince of Saudi Arabia.
The Duke and Duchess of Sussex attended the Endeavour Fund Awards on Thursday, honoring sick and injured servicepeople who have taken part in ambitious sporting challenges.
The couple highlighted an Instagram account devoted to heartfelt positive news in a post on Sunday.
"Harry" teased a special project he's working on with the singer for his Invictus Games in an Instagram post.
The prince was speaking at the Travalyst event at the Edinburgh International Conference Centre after returning to the U.K. from Canada to carry out his final engagements as a working royal.
Buckingham Palace said on Wednesday that Meghan and Harry will no longer be working members of the royal family come April.
Peter and Autumn Phillips said the decision is the "best course of action for their two children and ongoing friendship."
Local U.K. authorities will not be required to fly the British flag, but the ringing of bells at Westminster Abbey will mark the Duke of York's 60th birthday on February 19.
Both ABC and Fox will delve into the circumstances surrounding Meghan and Harry's exit as working members of the royal family.
Lisa Bloom told Sky News that the Duke of York should "do the right thing" and help the FBI with its investigation of the pedophile financier.
Thomas Markle said that he still hoped for reconciliation with the Duchess of Sussex.
Thomas Markle said he doesn't "know who she is now" in a documentary that aired on U.K. television.
Lawyers for the couple said that pictures of Meghan were taken by a photographer "hiding in the bushes and spying."
Phillips, a non-working member of the royal family, like Meghan and Harry soon will be, is seen drinking a glass of milk in the television advert.
The couple have stylized their endeavors under the Sussex Royal name, including their social media pages and forthcoming charity.
Duke of Sussex and British prime minster both attended the UK-Africa Investment Summit in London.
Steve Hilton said he was "sick" of hearing about the royal family after Prince Harry's first public address since the announcement that he and wife Meghan will no longer be working royals.
Prince Harry addressed Buckingham Palace's announcement of his and Meghan Markle's decision to resign from their roles as senior royals for the first time on Sunday night.
"Before I begin, I must say that I can only imagine what you may have heard or perhaps read over the last few weeks," Prince Harry said.
Buckingham Palace announced the Duke and Duchess of Sussex will stop carrying out royal duties from the spring and will no longer use their HRH titles.
Speaking at an event in Los Angeles, Netflix's chief content officer Ted Sarandos said he was interested in working with the Duke and Duchess of Sussex.
The BBC program "Question Time" discussed the decision by the Prince and Princess of Sussex to step aside from frontline royal duties.
"I think as a man, it's his job to protect his family, so I'm with him," Hugh Grant said.