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Measles Outbreaks Escalate Across U.S., Canada, and Israel, Threatening Elimination Status

Over 3,000 cases reported in 2025, with unvaccinated populations driving spread and straining healthcare systems.

There are now more than 400 confirmed cases of measles in Alberta and the growing outbreak has health officials on both sides of the Canada-U.S. border concerned.
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Overview

  • The U.S. has recorded 1,024 measles cases across 30 states, including Texas's 718-case epicenter, with a 13% hospitalization rate and two child fatalities.
  • Ontario leads Canada's outbreaks with 1,622 cases, 182 of which were reported in the past week, with 95% of hospitalized cases being unvaccinated.
  • Alberta's 409 cases are concentrated in the south health zone, with three individuals in intensive care and over three-quarters of cases in children.
  • Israel's outbreak has grown to 48 cases since April, prompting emergency vaccination campaigns as 40 of the infected are unvaccinated children.
  • Declining vaccination rates, fueled by misinformation, have eroded herd immunity, putting the U.S. and Canada at risk of losing their measles-free status.