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Yunnan confirmed a case of human infection with H9N2 avian influenza - 8 yr. old female

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  • Yunnan confirmed a case of human infection with H9N2 avian influenza - 8 yr. old female


    Google translation:
    Yunnan confirmed a case of human infection with H9N2 avian influenza

    Health Bureau
    Release date:
    February 15, 2019 19:09

    The Health Bureau received a notification from the Mainland Health Department today (February 15) that a case of human infection with H9N2 avian influenza was confirmed in Yunnan Province. According to the report, the patient is an 8-year-old female student who currently lives in Lishui City, Yunnan Province. She developed symptoms on January 27 and is now in milder condition.

    Influenza viruses are classified into three types: A (A), B (B), and C (C). Type A can cause a worldwide pandemic, so it is particularly important; Type B generally causes only local epidemics, and Type C usually causes only sporadic cases. . Influenza A virus has two main antigens: Hemagglutinin (H) and Neuraminidase (N); hemagglutinin has 1 to 16 types, and neuraminidase has 1 to 9 types. . Influenza A viruses are named after a combination of different H and N, such as the 2009 pandemic H1N1 and the current H7N9, H10N8 and so on. The reason why influenza A is important is that H and N antigens are easy to change to produce new subtypes; but humans are not immune to new subtypes, so they often cause different degrees of prevalence. When a new type of flu virus appears in humans, there is a possibility that a worldwide pandemic will occur because people are completely unresisting. The reason for the emergence of the new influenza virus is the recombination of the genes of the human flu virus and the non-human flu virus (such as the avian flu virus), or the re-emergence of the old subtype strain, or the animal flu virus has changed the host traits.

    To prevent the spread of influenza A, the Health Bureau appeals to the public to pay attention to the following matters:

    Avoid places where there are many people, and places where there are people selling or displaying birds in markets such as areas where people are infected with the Avian Influenza A;
    Avoid contact with patients, birds or other animals and their secretions, excretions; if contact, wash hands immediately;
    Do not eat poultry, viscera, blood products and eggs that have not been thoroughly cooked;
    Pay attention to personal hygiene and wash your hands often;
    If you have symptoms such as fever, cough, or difficulty breathing, wear a mask, seek medical attention as soon as possible, and detail the history of travel and animal contact to the doctor.

    Information can be found on the Health Bureau's website ( or by calling the Health Bureau's Infectious Disease Enquiry Hotline (28 700 800).