Hong Kong schools have reported a more than sixfold surge in influenza outbreaks since the start of the academic year compared with the winter flu season earlier this year, with 13 children hospitalised since September. The government renewed its calls on Wednesday for children to receive flu jabs after another three severe paediatric cases were reported on consecutive days. The Centre for Health Protection said the latest severe case involved an 11-year-old girl who had previously been in good...