Overview
- Mexico has confirmed 5,580 measles cases and 24 deaths across 29 states as of Dec. 8, with transmission down from an April peak but a late‑November uptick noted by federal epidemiology reports.
- Following a Dec. 6 coordination meeting, federal and state health agencies are maintaining 25‑block vaccination rings, house‑to‑house brigades, and expanded dosing at bus terminals, with modules positioned for Guadalupe pilgrimages in Mexico City.
- The Health Secretariat reports 10,316,873 doses administered in 2025, sufficient national supply, and guidance for a single dose for people ages 10–49 without documented vaccination, urging immunization before travel.
- Local actions include Jalisco extending mobile brigades through Dec. 12, Mexico City setting up 11 fixed posts along major pilgrimage routes, and Baja California containing a five‑case cluster after mass vaccination.
- Argentina confirmed a single case in a two‑year‑old from Entre Ríos with travel to Santa Fe, issued a national alert, and is tracing contacts across multiple provinces as PAHO notes the Americas have lost measles elimination status.