What is ‘super flu’?It is not an official name for a virus, but the so-called super flu refers to the illness that seems to be hitting harder and lasting for longer than expected.This year’s flu season also started a month earlier, while a drifted influenza A(H3N2) strain – also known as subclade K – is currently dominating cases in England, according to the UK Health Security Agency (UKHSA).
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