Dufferin County Respiratory Outbreak Over - May 8, 2023 Respiratory Outbreak Over - May 8, 2023 May 9th, 2023 By dwfranks Share Share on Facebook Share on Twitter Email Print The respiratory outbreak on Dufferin Oaks second floor home areas (Grand Valley/East Luther and Mono/Mulmur) was declared over by WDG Public Health on May 8, 2023.