Retrospective of the death case of human avian influenza in Beijing: Avian influenza tests emergency mechanism again. On January 6, the Beijing Municipal Health Bureau announced that a human case of highly pathogenic avian influenza had been confirmed in Beijing and the patient had died. According to the Beijing Municipal Health Bureau, the female patient Huang Yanqing was 19 years old. She fell ill on December 24, 2008, her symptoms worsened on December 27 and she was admitted to hospital for treatment. Despite all-out efforts to save her life, she passed away at 7:20 AM on January 5, 2009. On January 5, the Beijing Center for Disease Prevention and Control...