Four new COVID-19 cases were confirmed this week at Ukiah Valley businesses. According to the Mendocino County Public Health Office, employees of the Broiler Steak House in Redwood Valley, and Club Calpella, on North State St., have tested positive for Covid-19. The possible exposure dates for those locations are between Wednesday, Aug. 11, and Friday, Aug. 13th. Other possible exposures are from Hector’s Snow Cones Stop between Tuesday, Aug. 10, and Wednesday, Aug. 11, and CosmoProf in Ukiah between Aug. 9 and 10.