Puerto Rico is facing a severe 2025–26 influenza epidemic, with over 40’000 cases, 3’001 hospitalizations, and 128 deaths reported by mid-January 2026. Children account for nearly half of cases (46%), and the epidemic has remained above threshold for six weeks, prompting a state of emergency.
- Practice hand hygiene and respiratory etiquette.
- Travellers at higher risk of complications (older age, pregnancy, chronic diseases, immunosuppression) should be vaccinated according to national recommendations. Before travelling, check current recommendations for influenza and COVID-19 vaccination/boosters.
- If you develop symptoms, avoid contact with vulnerable persons and seek medical advice if severe symptoms occur.