Overview
- Health officials in Baja California confirmed five infections in one unvaccinated family in Ejido Nuevo León, linked to travel to Chiapas, and opened a weekend macro‑site at the FEX with statewide brigades.
- State leaders reported receiving 90,000 additional vaccine doses and cited roughly 100,000 shots in stock, with door‑to‑door sweeps and workplace actions that included vaccinating more than 500 employees at an agricultural packer.
- Mexico City confirmed five new cases for a total of 12 and will deploy six vaccination modules for pilgrims on the route to the Basilica of Guadalupe starting December 10, alongside operations at the airport and bus terminals.
- CDMX said about 720,000 measles shots have been administered since August and over 260,000 doses remain available, as teams conduct 50‑block perimeter checks, house‑to‑house visits and ring vaccination around confirmed cases.
- Argentina’s Entre Ríos recorded a PCR‑confirmed case in a two‑year‑old with a brief prior visit to Casilda, Santa Fe, prompting isolation, contact tracing and reinforced surveillance, while Mexico’s national report listed 5,504 cases across 28 states as of December 4.