Articles on Influenza

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Human, animal and environmental health are interconnected. Tambako the Jaguar/Moment via Getty Images

Humans infecting animals infecting humans − from COVID‑19 to bird flu, preventing pandemics requires protecting all species

Infectious diseases can spill over from animals to humans as well as spill back. Each cross-species transmission gives pathogens a chance to evolve and spread even further.
Snow geese are seen during their migratory movements at the Reservoir Beaudet, in Victoriaville, Que. in 2023. THE CANADIAN PRESS/Bernard Brault

Climate change is helping the H5N1 bird flu virus spread and evolve

H5N1 is the latest evidence that climate change is altering how viruses spread and evolve. It is essential that global public health officials take these dynamics into account.

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