People wearing face masks talk on a street in London, Britain, on June 17, 2021. Britain has reported another 11,007 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 4,600,623, according to official figures released Thursday. (Photo by Ray Tang/Xinhua)

A man wearing a face mask walks on a street in London, Britain, on June 17, 2021. Britain has reported another 11,007 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 4,600,623, according to official figures released Thursday. (Photo by Ray Tang/Xinhua)

A woman wearing a face mask walks on a street in London, Britain, on June 17, 2021. Britain has reported another 11,007 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 4,600,623, according to official figures released Thursday. (Photo by Ray Tang/Xinhua)

People queue outside a walk-in vaccination clinic in London, Britain, on June 17, 2021. Britain has reported another 11,007 coronavirus cases in the latest 24-hour period, bringing the total number of coronavirus cases in the country to 4,600,623, according to official figures released Thursday. (Photo by Ray Tang/Xinhua)