WHO Human infection with avian influenza A(H7N9) virus – update January 17, 2014

17 January 2014 - On 15 January 2014, the National Health and Family Planning Commission of China notified WHO of four additional laboratory-confirmed cases of human infection with avian influenza A(H7N9) virus.
Details of the cases are as follows:

• A 35 year old man from Shanghai who became ill on 1 January and was admitted to hospital on 12 January. He is currently in a critical condition. The patient has a history of exposure to poultry.
• A 41 year old man from Hangzhou City, Zhejiang Province, who became ill on 5 January and was admitted to hospital on 9 January and then transferred to another hospital on 12 January. He is currently in a critical condition.
• A 48 year old man from Foshan City, Guandong Province, who became ill on 2 January and was admitted to hospital on 12 January. He is currently in a critical condition.
• A 55 year old man from Dongguan City, Guandong Province, who became ill on 1 January and was admitted to hospital on 9 January. He is currently in a critical condition. The patient has a history of exposure to poultry.

The source of infection is still under investigation. So far, there is no evidence of sustained human-to-human transmission.

http://www.who.int/csr/don/2014_01_17/en/index.html