Cumulative cases since outbreak start — PAHO bulletin dated 2026-08-07
Official report date — in isolated zones, field onset typically precedes this by days to weeks.
The exact nature of this date (week of confirmation, transmission period, or bulletin publication date) is not specified by the source.
PAHO Epidemiological Alert Measles in the Americas Region - 7 August 2026. Summary of the Situation in the Americas Region In 2026, between epidemiological week (EW) 1 and EW 28, 47,459 measles cases were confirmed in the Americas Region, including 44 deaths. The cases were reported by 16 countries and one territory. Guatemala (n= 30,371 cases, including 26 deaths), Mexico (n= 12,255 cases, including 17 deaths), the United States of America (n= 2,260 cases), and Peru (n= 1,277) account for the majority (95%) of confirmed cases (Table 1) (2–20).
Case trend
First actions
- →Log in national surveillance system — continue routine monitoring
- →Compare with seasonal baseline for this region and disease
- →Include in weekly surveillance briefing — escalate if trend worsens (▲ cases or CFR)
Cite this page (Vancouver)
HealthWatch Global. Measles outbreak — Mexico [Internet]. 2026-08-07 [cited 2026 Aug 26]. Available from: https://healthwatch-global.com/en/outbreak/c65f9160-3bf3-4303-aa04-d6cad661134c. Data source: PAHO.
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