NEW YORK CITY – JULY 26: Members of the Test and Trace Corps walk the streets of Brooklyn passing out masks and trying to sign people up for the COVID-19 vaccine on July 26, 2021 in the Brooklyn borough of New York City. Due to the rapidly spreading Delta variant, New York City Mayor Bill de Blasio has announced that the city will require all city workers to be vaccinated or tested weekly for COVID-19. Currently, about 54 percent of New Yorkers have taken the vaccine. (Photo by Spencer Platt/Getty Images)