Overview
- Mexico’s Health Ministry reports 10,316,873 vaccine doses administered and says transmission has trended down after a Dec. 6 coordination meeting with five states facing recent cases.
- Authorities are maintaining 25-block ring vaccination around confirmed cases, deploying house-to-house brigades, and adding vaccination posts at bus terminals, with sufficient supply across IMSS, ISSSTE and IMSS-Bienestar.
- Public guidance urges vaccination before travel, with expanded eligibility up to age 40 in the national push; Mexico City is prioritizing people ages 10–49 and installing vaccination modules for Guadalupe pilgrims.
- Tlaquepaque, Jalisco, extended local school-based and mobile vaccination operations through Dec. 12 to boost protection among children and other vulnerable groups.
- Argentina confirmed measles in a two-year-old in Entre Ríos, issued a national alert, and is monitoring nearly 100 identified close contacts from a traveling family as officials continue tracing additional passengers through Dec. 12.