LONDON, UNITED KINGDOM - JULY 13: Britain's Prime Minister Boris Johnson (C), wearing a face mask or covering due to the COVID-19 pandemic, talks with CEO of the London Ambulance Service Garrett Emmerson (R) and Chair of the London Ambulance Service Heather Lawrence (L) during his visit to the headquarters of the London Ambulance Service NHS Trust on July 13, 2020 in London, England. (Photo by Ben Stansall-WPA Pool/Getty Images)
