Wenqing Zhang - World Health Organization

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Last quote by Wenqing Zhang

These changes make the virus highly pathogenic in birds, meaning that it can cause some severe disease in birds. Previously, H7N9 had only been observed to be 'low pathogenic' in birds, meaning the virus did not cause visible outbreaks of disease in birds.feedback
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Mar 03 2017
Wenqing Zhang has most recently been quoted in an article called UN sees bird flu changes but calls risk of people spread low. Wenqing Zhang said, “Constant change is the nature of all influenza viruses.”. Wenqing Zhang has been quoted a grand total of 2 times in 2 articles.
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