Several diseases are commonly associated with birds, including:
1. Avian Influenza: Often referred to as bird flu, this disease is caused by influenza A viruses. Some strains can infect humans and cause severe respiratory illness. 2. West Nile Virus: Birds are primary hosts of this virus, which can be transmitted to humans and other animals through mosquito bites. 3. Newcastle Disease: A highly contagious viral disease affecting birds, it can also pose a risk to humans, especially those in close contact with infected birds. 4. Psittacosis: Also known as parrot fever, this bacterial disease can be transmitted to humans through inhalation of aerosolized bird excreta.