Britain is “a long way from the end of the flu season”, a leading epidemiologist has warned as he identified one of the key factors behind the “stubbornly stable” levels of the virus among older people in the UK, despite an overall decline in cases.
Following an unusually early start to the flu season, levels of flu and respiratory syncytial virus (RSV) have declined since mid-December in most age groups – apart from among those over the age of 85, where cases are “showing no signs of a drop”.
