Avian influenza, often called bird flu 🦅, is a sickness that mainly affects our feathered friends, the birds! It is caused by a special virus known as the influenza A virus. Bird flu can make birds feel very sick, and sometimes it can even spread to other animals, including humans! There are different types of bird flu, and some can be really dangerous. This virus is found all around the world 🌎, and it makes birds like ducks, chickens, and turkeys ill. Scientists work hard to study this virus to keep both birds and people safe!