H7N9 refers to a subgroup of H7 influenza viruses that normally circulates among birds. Human infections of H7N9 have been reported in parts of China, with some people dying of severe pneumonia.
University of Tokyo researchers find healthy ferret infected with virus after sick animal placed in separate cage 7cm away.
Exercise simulated a global health disaster with fictional elements to force government officials and experts to make the kinds of key decisions they could face in a real pandemic
For precautionary measures against the disease to work, most wet markets need ventilation upgrades, which would drive up costs.