The prevalent flu strain in England currently is H3N2, showing an early spike in cases compared to previous years. Health experts are concerned about the potential for a severe flu outbreak this season, drawing parallels to Australia’s record-breaking flu season. This strain has the potential to cause more severe illnesses, particularly in older individuals and those with existing health conditions. Its tendency to mutate regularly means that this year’s dominant version may differ from past strains, impacting immunity levels.
Symptoms of the H3N2 strain are similar to other flu strains, with a rapid onset compared to a gradual cold. Children might also exhibit reduced activity levels and ear pain. Recent data from the UK Health Security Agency indicates an increasing rate of flu-related hospital admissions in England, currently at 3.8 per 100,000 people, a level usually not observed until December.
Over the summer, H3N2 underwent significant mutations, rendering it distinct from previous strains and even the strain included in this year’s flu vaccine. Vaccination remains the most effective defense against the flu, especially for high-risk groups. While the vaccine may not cover all flu strains, it can reduce the severity of the illness and lower the risk of hospitalization.
Individuals at higher risk, including those with chronic conditions, pregnant women, and the elderly, are strongly advised to seek medical attention if they experience flu symptoms. Prompt medical consultation is recommended for those whose symptoms do not improve within seven days.