“Her Majesty is disappointed not to attend the reception but will deliver an address to the assembled delegates via a recorded video message,” the palace said.
She greeted the ambassador of the Republic of Korea during her first technology-aided appearance since she was driven to London’s King Edward VII’s Hospital on October 20 for “preliminary investigations”.
She returned to her Windsor Castle home at lunchtime the next day.
The Queen underwent the medical tests after she canceled a scheduled trip to mark 100 years since the creation of Northern Ireland, and the palace said she had “reluctantly” accepted advice to rest for a few days. The matter was not related to COVID-19.
Her doctors ordered rest last week after a hectic few days in which a monarch who likes to be seen by the people carried out a hectic series of events. She held audiences with diplomats, had a reception at Windsor Castle for global business leaders and attended the horse races at Ascot.
Her hospital visit last week came amid general disquiet about the Queen’s health. Days earlier, she was seen using a walking stick at a Westminster Abbey service marking the centenary of the Royal British Legion, an armed forces charity. Though she had used a cane in 2003, it was after she underwent knee surgery.
The queen’s husband, Prince Philip, died in April 2021 at age 99. Though the Queen has enjoyed robust health throughout her life, she is Britain’s longest-lived and longest-reigning monarch. She is due to celebrate her Platinum Jubilee — 70 years on the throne — next year.