Harry did not attend last month’s memorial service for his late grandfather, Prince Philip. Harry chose to stay in California for the service, which took place at Westminster Abbey on March 29. No reason was given for his non-appearance. The monument marked the queen’s first public appearance in five months. Harry and Megan’s visit comes as the Queen revealed that she was “very tired and exhausted” after the recent Covid-19 crisis. The monarch tested positive for the virus in February. Buckingham Palace has previously confirmed that both the Queen and Prince Philip received their first doses of the Covid-19 vaccine in January 2021. The queen – who is celebrating her 70th birthday on the throne – has been facing a number of health issues in recent months. At a church service in October, she used a cane in public for the first time since 2003. In March, she took a break from royal engagements after spending a night in a central London hospital, where doctors performed a “preliminary examination” and advised her to rest. for a few days. CNN’s Lauren Said-Moorhouse and Toyin Owoseje contributed to this report.