Vigilance required as bird flu cases surge, WHO says
A recent surge of bird flu infections in humans this season has alarmed scientists and public health officials. "If avian viruses were to acquire these changes, this could result in a pandemic." "However, constant change is the nature of all influenza viruses, and that is why we follow the developments so closely."Especially given the rapid spread of bird flu over its short history, Zhang's warning rings true. Although the risk of sustained transmission between humans remains low, the changing nature of influenza viruses requires close monitoring, the World Health Organization (WHO) said on Wednesday. Other symptoms of bird flu range from pink eye to flu-like symptoms to severe pneumonia.
Upstate flu cases peak late in season
collected by :Lucy William
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