Throughout human history, infectious viruses have moved between animals and humans without much fanfare. These are known as Zoonotic diseases.

But every so often, they set off a chain reaction that can't be contained, like the bubonic plague, or COVID-19.

But the collective experience of COVID has given the world many lessons about what to — and what not to do — the next time there's a Zoonotic leap. So what are those lessons, and is humanity able to not repeat the same mistakes?