People rest inside social distancing markers at Domino Park in the Brooklyn borough of New York in late May. Stay-at-home orders in New York helped to lower the state’s “reproduction number,” which estimates how many people one sick person could infect with the coronavirus.

People rest inside social distancing markers at Domino Park in the Brooklyn borough of New York in late May. Stay-at-home orders in New York helped to lower the state’s “reproduction number,” which estimates how many people one sick person could infect with the coronavirus.