Bird flu, also called avian influenza, is a viral infection that can also infect humans and other animals. Most forms of the virus are restricted to birds. H5N1 is the most common form of bird flu. It’s deadly to birds, and can easily affect humans and other animals that come in contact with a carrier.
Causes and Treatment
Although there are several types of bird flu, H5N1 was the first avian influenza virus to infect humans. The first infection occurred in Hong Kong in 1997. The outbreak was linked to handling infected poultry.
According to the World Health Organization, 667 cases and 229 deaths from H7N9 flu have been reported globally from March 2013 through October 14, 2015, most from the mainland of China. Cases have been confirmed in the following administrative areas of China: Anhui, Beijing, Fujian, Guangdong, Guangxi, Guizhou, Hebei, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Jilin, Shandong, Shanghai, Xinjiang, and Zhejiang.