Study: Deaths Associated With H7N9.
Infection of humans by novel influenza A viruses that are distinct from circulating viruses and produce severe disease can lead to sporadic human infections or influenza pandemics (4 – 5). Therefore, the recent discovery of the H7N9 virus is of great public health interest. Because most of the deaths we report occurred in patients aged 60 or older, it is reasonable to consider this demographic at high risk while we learn more about age distribution. In addition, the illness progresses rapidly after symptoms first appear; therefore, in suspected cases clinicians should plan to test for the diagnosis and treat early.




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