Prince Charles, Queen Elizabeth II’s son and the heir to the British throne, has tested positive for coronavirus and is now self-isolating in Scotland, his office announced Wednesday.Even the Namaste greeting couldn’t keep it away.Charles last saw the Queen, who is 93, on March 12. Charles has reportedly spoken to both of his sons, Prince William, 37, in Norfolk and Prince Harry, 35, in Canada to discuss his diagnosis.The duchess, 72, has also been tested but does not have the virus.