Brazil Halts and Re-Starts Phase 3 Clinical Trials of Chinese COVID-19 Vaccine

Brazil Halts and Re-Starts Phase 3 Clinical Trials of Chinese COVID-19 Vaccine

Brazil briefly stopped clinical trials of CoronaVac, the Chinese-made experimental vaccine for COVID-19, after a death among trial participants was reported on Nov 9, 2020. The Bhutantan Institute in San Paulo, Brazil had been conducting Phase 3 trials with more than 10,000 volunteers when the study was halted.1 However, within days, Bhutantan officials announced they […]