Measles resurgence in the Americas
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In 2016, the Americas were declared measles free.[6][7]
In 2018, Venezuela lost its measles elimination status.[8][9][3]
In 2019, Brazil lost its measles elimination status.[8][9][3]
In 2024, the region regained its measles elimination status.[8][9][3]
"As of 7 November 2025, 12,596 confirmed measles cases have been reported across ten countries (approximately 95% of the Region’s cases in Canada, Mexico and US), a 30-fold increase compared to 2024."[3]
Canada
In 1998, Canada was declared measles free.[10][11][12]
In 2025, the virus had spread across every province (except Newfoundland and Labrador) as well as to the Northwest Territories with cases largely in Alberta and Ontario.[13][14]