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China's CNBG, Sinovac find more countries to test Covid-19 vaccines
BEIJING: China National Biotec Group (CNBG) and Sinovac Biotech Ltd said on Saturday four more countries have agreed to run late-stage clinical tests of their coronavirus vaccine candidates, as China steps up its efforts in the global race.Serbia and Pakistan are among the new countries agreeing to Phase 3 trials, as the two companies seek more data overseas amid dwindling new cases in China.Serbia will test two vaccines developed by CNBG's Wuhan and Beijing units, and Pakistan will test the Beijing unit's candidate, the company told Reuters.CNBG's Phase 3 trials are expected to involve 50,000 people in about 10 countries, said CNBG vice president Zhang Yuntao.