The origins of bird flu and why humans are vulnerable

How does the way we farm, eat, and live make us vulnerable to viruses like bird flu? And could humans be at risk with the next mutation?

Aug 26, 2026, updated Aug 26, 2026

Bird flu has reached a new milestone, crossing over to infect and kill a seal in South Australia.

It marks a new phase of the outbreak, and has sparked fears for many endangered wildlife species, which face the possibility of extinction.

So how does the way we farm, eat, and live make us vulnerable to viruses like this? And could humans be at risk with the next mutation?

Today, journalist and the author of Sentinel: When diseases spread between animals and humans, Michael Dulaney, on the root cause of the virus – and the future of animal pandemics in our times.

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