COVID-19 connected to St. Joseph’s Catholic Elementary School in Stratford, Ont.The health unit says it determined a member of the school community is a probable case during a case and contact investigation into a separate, recently confirmed case of COVID-19.Officials say the probable case “was at the school when they may have been infectious.” Lambton Public Health warns of climbing COVID-19 transmission in region A probable case is defined as a case where COVID-19 is strongly suspected and the patient has travel history, contact with a known case, and/or symptoms but has not been tested.Probable cases are treated similarly to confirmed cases when it comes to case management.