Overview
- Peru’s health minister said the updated H3N2 vaccine order is executed and fully paid, with first doses scheduled to arrive in early February for prioritized vulnerable groups.
- The country confirmed six infections linked to the H3N2 K subclade and reinforced epidemiological surveillance for respiratory viruses.
- Specialists highlight higher transmissibility for the K subclade without evidence of increased severity or a new pandemic threat.
- Neuquén, Argentina confirmed two H3N2 K cases, activated surveillance protocols and reported both patients recovered and discharged.
- In Mexico’s Sonora state, flu vaccination coverage reached about 55%, and an infectious‑disease expert said the vaccine offered since October 2025 protects against the K subclade.