China’s State Drug Administration granted approval of an inhaled COVID-19 vaccine for emergency use as a booster vaccine last week.
Vaccine manufacturer CanSino Biologics made the announcement on Sept. 4, saying it had developed and obtained approval for an inhalable COVID-19 vaccine after a proposal by China’s National Health Commission. The vaccine, called Convidecia, uses a recombinant adenovirus that is unable to replicate.-- More...