China begins clinical trials of its fourth COVID-19 vaccine

Clinical trials have started for China’s fourth COVID-19 vaccine, developed by the National Vaccine and Serum Institute under the China National Biotec Group (CNBG). Since the outbreak, the CNBG has allocated one billion yuan (about million U.S. dollars) for vaccine development. #covid19 #vaccine Subscribe to us on YouTube: Download our APP on Apple Store (iOS): Download our APP on Google Play (Android): ht