FILE - In this Nov. 12, 2020, file photo, diners Mitchell Bryant, left, and Darla Scott eat inside at the Buena Vista Cafe amid the coronavirus outbreak in San Francisco. San Francisco will require proof of full vaccination against COVID-19 for a number of indoor activities such as visiting restaurants, bars and gyms. A city supervisor confirmed the new mandate shortly before Mayor London Breed was scheduled to hold a news conference Thursday, Aug. 12, 2021.(AP Photo/Jeff Chiu, File)
SAN FRANCISCO — Anyone who wants to eat, drink or exercise indoors in San Francisco must show they are fully vaccinated against COVID-19 when one of the nation’s most stringent restrictions on unvaccinated people takes effect.