It is impossible to predict the evolution of China’s human H7N9 bird flu outbreak as researchers are still trying to understand the source of human transmission, the head of the World Health Organisation said Monday. According to the latest official data, H7N9 avian influenza has infected 130 people in China, and killed 35, since it was found in humans for the first time in March. “Influenza viruses constantly reinvent themselves. No one can predict the [...]
Reported by Raw Story 6 hours ago.
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