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World Health Organisation (WHO) Risk Assessment – Human infections with influenza A(H7N9) virus

The World Health Organisation (WHO) has published a risk assessment on the Influenza A(H7N9) virus. Extract from the WHO website as follows:

“In the past few weeks, WHO has received from China reports of human infection with influenza A(H7N9) virus. The influenza A(H7N9) virus is one subgroup among the larger group of H7 viruses, which normally circulate among birds. Human infections with other subgroups of H7 influenza viruses (H7N2, H7N3, and H7N7) have previously been reported in the Netherlands, Italy, Canada, United States of America, Mexico and the United Kingdom. Most of these infections occurred in association with poultry outbreaks. The infections mainly resulted in conjunctivitis and mild upper respiratory symptoms, with the exception of one death, which occurred in the Netherlands. These recent reports from China are the first cases of human infection with H7N9 viruses.”

For more information and to download the WHO risk assessment visit:

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