A woman wearing a protective mask to help curb the spread of the coronavirus rides a bicycle in the rain Monday, June 14, 2021, in Tokyo. Japan is desperately pushing to accelerate the pace of inoculations before the Tokyo Olympics. (AP Photo/Eugene Hoshiko)

FILE - In this Oct. 2, 2020, file photo, a man sits on Waikiki Beach in Honolulu. Honolulu is loosening some restrictions on social activity now that more than half its population has been vaccinated against COVID-19. The new rules allow outdoor social gatherings of up to 25 people and indoor gatherings of up to 10.(AP Photo/Caleb Jones, File)

People sit at outside tables in Covent Garden, London, Monday, June 14, 2021. British Prime Minister Boris Johnson is expected to confirm Monday that the next planned relaxation of coronavirus restrictions in England will be delayed as a result of the spread of the delta variant first identified in India. (AP Photo/Alberto Pezzali)

People are seen at the "Monbijoupark" (Monbijou Park) during a warm summer evening in Berlin, Germany, Friday, June 11, 2021. (AP Photo/Michael Sohn)

A vendor rearranges a display of face mask during relaxation hours of a lockdown to check the spread of the coronavirus in Kolkata, India, Monday, June 14, 2021. (AP Photo/Bikas Das)