(Bloomberg) -- The final-stage trial of a Chinese frontrunner vaccine candidate has been halted in Brazil due to a serious adverse event, the first time that any of the Asian nation’s rapidly developed Covid-19 shots have met with such a setback.
Testing of Sinovac Biotech Ltd.’s vaccine, called Coronavac, has been halted in Brazil after an event that occurred on Oct. 29, said the Brazil Health Agency on Tuesday, without any further detail on the illness. The study is interrupted in accordance w