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Latest news on bird flu, also called avian flu, a type of influenza that infects birds and sometimes humans.

Symptoms in birds include fever, lethargy, and decreased appetite. In severe cases, it can lead to death. In humans, bird flu symptoms are similar to those of the flu, including fever, coughing, and sore throat. In severe cases, it can lead to pneumonia and death. There is currently no vaccine for bird flu, so the best way to prevent it is to avoid contact with sick birds.

An outbreak beginning in 2022, caused by the highly infectious H5N1 strain, led to the deaths of hundreds of thousands of wild birds and millions of domestic ones, as well as being found in some mammals. The virus can quickly spread through contaminated feed and water, or through birds' droppings and saliva. The World Health Organization states that bird flu is a risk to humans, with 870 reported cases of human infection and 457 deaths over the past 20 years from close contact with infected birds. The spread of H5N1 will be monitored for mutations that could allow for human-to-human transmission.