Why COVID-19 and flu could be in a 'tug of war' in the years ahead - CBC News

With influenza back after a two-year lull, this unusual flu season may offer clues for how COVID and influenza will impact each other in the years ahead, with one theory suggesting these two rival viruses could ebb and flow.

For more than two years, as Canadians experienced a roller coaster of COVID-19 infections, influenza seemed to take a backseat. The family of viruses that causes the flu was barely spreading across … [+5422 chars]

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