Overview
- Romania's Cantacuzino Institute reported identification of an H3N2 influenza strain circulating internationally, according to Radio Romania.
- The ECDC classifies the threat as moderate for the general population.
- Russian surveillance recorded 94.6 cases per 10,000 in early December, 17.2% above the weekly epidemiological threshold.
- Russian clinicians say H3N2 has replaced H1N1 as the predominant strain this season.
- Public‑health guidance prioritizes older adults, people with chronic conditions, pregnant and immunocompromised individuals for vaccination, with hand hygiene and crowd avoidance advised.