Overview
- Mexico’s federal report lists 5,489 measles cases nationwide as of December 3, with Mexico City accounting for 10 after five new confirmations last week.
- The current transmission chain in the capital is concentrated in Álvaro Obregón and Cuajimalpa, prompting expanded fixed vaccination posts, field sweeps, contact tracing and sanitary cordons.
- City authorities are coordinating actions with IMSS, ISSSTE, IMSS Bienestar and the State of Mexico to broaden coverage and speed response.
- The public is urged to get vaccinated or complete schedules, with a priority call for people aged 12 months to 49 years.
- Baja California confirmed an imported case in a 9-year-old with isolation and an epidemiological sweep, while Argentina reported no secondary infections linked to a late-November traveler alert and is keeping intensified surveillance through December 12.