Thursday, 23 January 2014

WHO says H7N9 flu situation changing but still not high risk

A WHO analysis of China’s latest H7N9 avian influenza outbreak shows that that cases are trending slightly younger, with a lower case fatality rate, according to CIDRAP News.
The latest risk assessment by WHO found that the average age in the latest surge of H7N9 was slightly lower than the first wave: 52 years compared with 58 years. H7N9 is still striking males more frequently than females, and the case fatality rate is not as high as the outbreak's first wave, but H7N9 infections are still marked by rapidly progressing severe pneumonia. Tests on the H7N9 virus have not shown resistance to neuraminidase inhibitors such as oseltamivir (Tamiflu). And while most cases are linked to exposure to infected live poultry, the recent death of the doctor from Shanghai shows that continued vigilance is needed, the WHO said.

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