Bird flu continues to spread around the world. So far only a small number of people have been infected, and most through animal contact.
Scientists still worry it could spread further.
It’s not the first time an infection moved from animals to humans.
Global’s Nathaniel Dove explores what’s possible and what risks a bigger leap could pose.
- Bird flu vaccinations for humans to begin in Finland, a global first
- COVID-19, Ebola, bird flu: What to know about zoonotic diseases