Influenza (Flu) and COVID-19 are both contagious respiratory illnesses, but they are caused by different viruses. COVID-19 is caused by infection with a new coronavirus (called SARS-CoV-2) and flu is caused by infection with influenza viruses.
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Flu is a serious condition that kills, on average, 11,000 people in England each year and hospitalises many more. Adults at high risk from flu are also most at risk from COVID-19. The free vaccine is more important than ever to help protect the nation from a double threat this winter.
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