While flu levels are still low, a strain that has wreaked havoc in the U.K. and Canada is behind most cases so far in the U.S ...
Thousands of people could die from flu this winter, experts have warned, after figures suggested the number of flu deaths more than doubled last year. UK Health Security Agency (UKHSA) estimates show ...
Some scientists say this year's flu shot isn't well matched to a key strain that could spread widely in the months ahead. So, ...
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