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WHO: human infection with avian influenza A(H7N9) virus ? China - Previously known

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  • WHO: human infection with avian influenza A(H7N9) virus ? China - Previously known

    On 18 April 2016, the National Health and Family Planning Commission (NHFPC) of China notified WHO of 17 additional laboratory-confirmed cases of human infection with avian influenza A(H7N9) virus, including 5 deaths.
    Onset dates range from 21 February to 20 March. Cases range in age from 26 to 86 years, with a median age of 60 years. Of these 17 cases, 11 (65%) are male. The majority (15 cases, 88%) reported exposure to live poultry, slaughtered poultry, or live poultry markets. The exposure history of one (1) case is unknown. One (1) case is linked to a cluster of two (2) cases reported earlier to WHO (see below).
    Cases were reported from 6 provinces and municipalities: Anhui (4), Jiangsu (4), Fujian (3), Guangdong (3), Zhejiang (2) and Hubei (1).
    One cluster was reported. The cluster includes an 85-year-old female from Zhejiang Province. She had onset of symptoms on 1 March and passed away on 8 March. She had been admitted to the same hospital and shared the ward with a confirmed case between 22 and 23 February. She was not exposed to live poultry or live poultry market, according to her relatives.
    The confirmed case admitted at the same ward was a 29-year-old male from Zhejiang Province who developed symptoms on 15 February. He had exposure to a live poultry market and a household contact who was also a confirmed case. The contact from Fujian Province developed symptoms on 4 February and had exposure to a live poultry market.
    Human to human transmission between the 29-year-old male and the 85-year-old female cannot be ruled out. Further virological information is awaited.




  • #2
    Again, the mid-month to mid-month WHO announcements do not add any clarity since the individual cases are not identified and the China NHFPC reports cases by calendar month. The cases above are accounted for here:

    #753-762 - This line adds 10 cases and 11 deaths. China HFPC announced 29 cases & 15 deaths for Feb 2016. We have 19 cases & 4 deaths already listed above.11 Death

    #771-776 - This line adds 6 cases and 6 deaths. China HFPC announced 17 cases & 7 deaths for March 2016. We have 11 cases & 1 death already listed above. 6 Death

    Source: FluTrackers H7N9 Case List here.

    I will make a note of the cluster on the list.

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