The role of vaccination, infection control measures and early treatment in curbing the impact of flu
Influenza remains a major cause of preventable illness each winter and continues to place significant pressure on NHS general practices, urgent care services, and hospitals. This has been particularly evident this winter, with flu rates much higher than we would normally expect for this time of year. As of mid-December 2025, UKHSA surveillance shows influenza positivity in primary-care sentinel samples running well above most pre-COVID seasons, and hospital and ICU admissions for confirmed influenza are rising sharply — especially among adults aged 65 and over and those with long-term medical conditions. In general practice, we see first-hand how flu can lead to severe complications, particularly in older adults, people with underlying conditions, and those who are immunocompromised. Vaccination remains the single most effective way to reduce the risk of severe illness, hospitalisation, and death from flu. Interim data for the 2025–26 season suggest that vaccination is already red...