Many doctors are worried that flu season this year may be worse than in previous years, due to the fact that fewer people were infected with the virus during the last season. In addition, there's real concern that when COVID-19 cases rise in the autumn, as they inevitably will, a combination of flu and COVID-19 could put the NHS under even more serious strain.
This is a companion discussion topic for the original article at https://patient.info/news-and-features/when-should-i-get-my-flu-vaccine