The Health and Family Planning Commission of Liaoning Province announced the first human case of avian influenza A(H7N9) in the northeastern Chinese province.
According to officials, the male patient aged 67 from Shenyang was in stable condition. Close contacts and those with the same exposure were put under medical observation with no abnormalities so far.
From 2013 to date, 767 human cases of avian influenza A(H7N9) have been reported by the Mainland health authorities, while since October 2015 to date, 110 have been recorded.
In addition, 23 cases imported from China have been reported in Canada (2), Hong Kong (16), Malaysia (1) and Taiwan (4).
Avian influenza (AI) is caused by those influenza viruses that mainly affect birds and poultry, such as chickens or ducks. These AI viruses are distinct from human seasonal influenza viruses. Since the AI viruses does not commonly infect human, there is little or no immune protection against them in the human population. People mainly become infected with AI through direct contact with infected birds and poultry (live or dead), their droppings or contaminated environments.
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