Twelve children have been hospitalised with severe influenza since September, Hong Kong’s health minister has said, urging parents to arrange vaccinations as soon as possible. Secretary for Health Lo Chung-mau renewed calls for flu vaccination on Wednesday after two more severe paediatric cases were reported on consecutive days, both involving two-year-old children. Lo said the summer flu season has started unusually late, in early September. He warned of a possible overlap between the summer...