Overview
- Mexico’s Health Secretariat, which reported Tuesday that daily measles detections have fallen to under 70 from about 220 in late February, credited the Feb. 7 vaccination drive with 18.3 million extra doses and more than 20,000 modules.
- National figures in Mexico list 15,151 confirmed measles cases and 36 deaths since January 2025, and officials are pushing continued shots for children and unprotected adults to close coverage gaps.
- Peru’s Health Ministry issued an alert for a growing cluster in Puno, confirming 15 cases there plus two in Lima and warning of high spread risk in districts with low two‑dose coverage.
- In Argentina, Salta health officials confirmed the first death linked to chikungunya as provincial cases passed 500, while the national bulletin counted 433 confirmed and probable cases countrywide with 357 local transmissions concentrated in Salta.
- Reference labs identified the ECSA chikungunya genotype now circulating, and vector control ramped up, with Peru’s La Libertad intervening 12,945 homes and services urged to use early tests such as qRT‑PCR and ELISA NS1 to spot arboviruses quickly.