While a slight leveling off of new Covid-19 cases suggests that the state may be approaching the apex of the pandemic, "Now is not the time to be lax," he said, calling on local governments to help enforce social distancing rules.

Gov. Andrew M. Cuomo allows early medical school graduations, and County Executive Steve Bellone says Suffolk's supply of personal protective equipment has been depleted while the death toll has increased by 28 in a day.

A search was ongoing in Montauk on Wednesday for the artist Peter Beard, who wandered away from his house near Montauk Point on Tuesday night. Mr. Beard is 82 and has dementia, according to police.

As confirmed cases of Covid-19 climbed to 5,791 in Suffolk County, a second drive-through testing site has opened in Riverhead. The facility, operated by ProHealth, a New York-based medical provider, is the first on the East End. 

Suffolk County Executive Steve Bellone said Friday that eight more people in the county had died from COVID-19. There are now 331 cases across Suffolk.

In a message posted online on Tuesday night, the department followed a recommendation from the White House Coronavirus Task Force in urging anyone who had been in the city recently to stay home and isolated for 14 days.

The school, which has students in prekindergarten through 12th grade, including international boarding students, said it is not known how the faculty member contracted the illness. The test result came in late Monday night.

School districts and day care centers here are answering the governor’s call to help parents and caregivers who are first responders, health care workers, and other essential employees during the COVID-19 response.

As of Sunday evening, East Hampton Town had 10 confirmed cases of COVID-19, Southampton Town, 16, Shelter Island 2, and Southold Town 91. Officials plead with people to practice social distancing.