Cases of 'superflu' are on the rise, with average bed occupancy to flu last week at 1,717, including 69 people in critical care, according to NHS data . This is 56% higher than the numbers at this point last year and 10 times higher than the same point in 2023, with record numbers being hospitalised. This year, the 'K strain' flu is at fault. It refers to a variant known as A(H3N2), or subclade K. Experts have warned this is a 'drifted' flu variant, meaning it has minor genetic changes compared to previous years.

The main symptoms are not significantly different from a regular flu; a sudden high temperature, body aches, feeling tired or exhausted, a dry cough, sore throat, headache, difficulty sleeping, loss of appetite, diarrhoea or stomach pain, and feeling or being sick. The subcla

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