Five years after the start of Covid, we appear to be trying to teach ourselves the lessons of the pandemic the hard way.

Cases of influenza, RSV, COVID-19 and the stomach bug — the so-called winter "quad-demic" — are rising in the Pittsburgh ...

The United States is experiencing a rise in respiratory illnesses, commonly referred to as a “tripledemic,” involving ...

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The Public Health Agency of Canada is part of the federal health portfolio. Our activities focus on protecting against threats to public health, preventing and reducing diseases and injury, and ...