Bird flu, also known as avian influenza, is a contagious viral infection that can affect birds and, in some cases, humans. It is caused by type A influenza viruses that occur naturally among wild aquatic birds worldwide. The virus can be transmitted to domestic poultry and other birds through contact with infected birds or their bodily fluids. While most human infections with bird flu viruses have been associated with direct contact with infected birds, some infections have occurred through contact with contaminated surfaces or objects.
There are several measures that can be taken to avoid bird flu, including: