Chinese drug regulators have approved the world’s first inhalable COVID-19 vaccine, made by Tianjin-based manufacturer CanSino Biologics, boosting the company’s share price by seven per cent on Monday. The National Medical Products Administration gave the go-ahead for the vaccine for emergency use as a booster, the company said in a statement to the Hong Kong Stock Exchange on Sunday. Following the announcement, company shares surged 14 per cent on Monday morning before closing 7.1 per cent higher than their opening value. The needle-free vaccine – which can be stored and administered more easily than intramuscular jabs – will be given…