Confirmed cases of COVID-19 in Suffolk County rose to 1,880 on Tuesday, as the county executive reported more virus-related deaths for the sixth day in a row and officials scrambled to increase the number of hospital beds across the region.

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.

Many local fitness, dance, and yoga professionals are now offering online programs, from A&G Dance to the Y.M.C.A. to Yoga Shanti.

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.