Britain's Prime Minister Boris Johnson participates in a national "clap for carers" to show thanks for the work of Britain's NHS (National Health Service) workers and other frontline medical staff around the country as they battle with the novel coronavirus pandemic, outside 10 Downing Street in London on May 21, 2020. - The British government on on May 21 announced that foreign care workers would be exempt from a charge imposed on migrants to fund the health service, after an outcry sparked by the coronavirus outbreak. (Photo by Tolga AKMEN / AFP) (Photo by TOLGA AKMEN/AFP via Getty Images)