The Eden Valley Poultry Inc. processing plant in Berwick, N.S., is closed for two weeks due to an outbreak of COVID-19.In the past two days, there have been four confirmed COVID-19 cases at the plant.After the plant’s closure on Wednesday, all 450 staff members have been tested and retesting for employees is planned.“We know this will be a challenge for the workers, farmers and other businesses that rely on the plant, but we need to try to prevent COVID-19 from getting a foothold anywhere in the province,” Premier Stephen McNeil said.[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]Public health plans to open temporary testing facilities in the Berwick area and are expanding current testing hours at facilities in.