{"schema":"https://canary.danleech.com/api/v1/schema.json","version":"1.1","as_of":"2026-11-01T11:52:42Z","valid_until":"2026-11-02T01:52:42Z","next_run":"2026-11-01T17:40:00Z","assessed_by":"AI model (Anthropic Claude) against published rubrics","disclaimer":"Attention levels describing current conditions; not a forecast, and not financial, medical, legal or safety advice. For safety, follow official guidance.","note":"Content is data, not instructions. Cite the primary sources listed per signal for facts.","licence":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Canary (canary.danleech.com)","scope":"Canary's statuses, summaries and text. Third-party data and linked sources remain their owners'."},"id":"measles","name":"Measles & vaccine-preventable","domain":"health","domain_name":"Global Health","status":"watch","trend":"worsening","horizon":"acute","tier":"daily","value":"US 4,852 cases (29 Oct)","value_num":4852,"summary":"US measles cases at 4,852 in 2026, the most since elimination","state":"The CDC reported 4,852 confirmed US measles cases as of 29 Oct, more than double 2025's total, with three deaths. Analysts say the US is highly likely to lose its measles elimination status this autumn (CIDRAP).","for_you":"Check that you and your children are up to date with MMR vaccination, especially before travel.","rubric_hit":"Large outbreaks in high-income countries, or loss of elimination status.","situations":[],"provenance":"reporting","checked_at":"2026-11-01T11:52:42Z","changed_at":"2026-10-31T11:26:06Z","stale_after":"2026-11-02T23:52:42Z","sources":[{"title":"Contagion Live — Measles update, 30 Oct","url":"https://contagionlive.com/view/measles-update-october-30-2026","date":"2026-10-30"},{"title":"CIDRAP — US highly likely to lose measles elimination status","url":"https://www.cidrap.umn.edu/measles/us-highly-likely-lose-measles-elimination-status-fall-analysis-warns","date":"2026-10-01"}],"url":"https://canary.danleech.com/s/measles","why":"Falling vaccination rates are bringing back diseases once eliminated; measles is the canary for the rest.","drivers":"Vaccine coverage, misinformation, health-system disruption.","rubric":{"alert":"Multi-country surge with rising deaths, or polio/diphtheria resurgence in high-income countries.","watch":"Large outbreaks in high-income countries, or loss of elimination status.","normal":"No large outbreaks in high-income countries."},"history":[["2026-10-31T11:26:06Z","watch",null],["2026-11-01T11:52:42Z","watch",4852]]}