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New flu variant triggers high alert in UK, Canada: High fever above 104°F to severe breathing trouble - key signs of influenza H3N2

The spike in flu cases widely referred to in media reports as a "superflu" is largely driven by a newly identified subtype of ...

Doctors warn of different symptoms as new flu strain spreads across UK

Doctors say a new variant of flu sparking infections across the UK has unique symptoms people should watch out for. The ...