H7N9 found to be a deadly mix of four influnza strains

The new H7N9 bird flu strain has been found to be a mixture of genes from four flu strains found in birds even as the first patient with severe symptoms of the deadly disease has made a complete recovery. Since it was first identified on 30 March, 127 cases have been detected in 10 provincial regions, and the virus has claimed 26 lives in the Chinese mainland.On Saturday, doctors claimed that the first person to be diagnosed with severe symptoms has recovered in east China’s Zhejiang Province. Several patients have recovered from the deadly disease earlier, but the virus was detected early in those cases.A 38-year-old man, surnamed Cao, is the first H7N9 patient with severe symptoms to recover. He was treated in the First Affiliated Hospital of Zhejiang University.