Britain's Prime Minister Boris Johnson holds a news conference in London
Britain's Chief Medical Officer for England Chris Whitty, Britain's Prime Minister Boris Johnson and Britain's Chief Scientific Adviser Patrick Vallance give an update on relaxing restrictions imposed on the country during the coronavirus disease (COVID-19) pandemic at a news conference inside the Downing Street Briefing Room in London, Britain July 12, 2021. Daniel Leal-Olivas/Pool via REUTERS