A transmission electron micrograph of SARS-CoV-2 virus particles (UK B.1.1.7 variant), isolated from a patient sample and cultivated in cell culture. Credit: NIAID 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 percent on Monday. The National Medical Products Administration...
