People roamed the beach in Ocean City, N.J, at the start of August. As Labor Day weekend arrives, Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases, said Americans should remain vigilant to avoid another surge in coronavirus infection rates.

People visit a beach in Ocean City, New Jersey, U.S., on Saturday, Aug. 1, 2020. From California’s wine country to Colorado’s ski towns and Floridas beaches, American cities that built their economies around tourists are being upended by Covid-19. Photographer: Gabby Jones/Bloomberg via Getty Images