BEIJING, China (AFP) — China’s drug authority has approved for clinical trials an inhaled Covid-19 vaccine co-developed by domestic firm CanSino Biologics, the company said in a filing on Tuesday. The move comes after the National Medical Products Administration gave another CanSino vaccine conditional approval last month, allowing it for public use. China currently has five coronavirus vaccines that have been given conditional market approval or allowed for emergency use, but none of these […]