Ontario Declares Year-Long Measles Outbreak Over

Ontario has declared its measles outbreak over after more than 2,000 cases were reported in the province over the past year.
Public Health Ontario declared the outbreak over as of Oct. 6 in an epidemiology report last updated on Oct. 9. An outbreak is declared over once 46 days have passed since the last outbreak case.
“Although the outbreak is declared over, measles continues to circulate in Canada and globally, so ongoing vigilance for measles case finding and public health follow-up will continue to occur,” the report said.
The province’s first outbreak cases occurred during the week of Oct. 28, 2024, after exposure to a travel-related case in New Brunswick on Oct. 18, 2024, the agency said, noting other provinces have reported measles cases related to the outbreak. New Brunswick declared its outbreak over in January….