Brazil will start testing Chinese COVID-19 vaccine

Brazil will begin advanced clinical testing of a Chinese-made vaccine against COVID-19, issuing the first doses to around 900 volunteers on Tuesday (July 21). The COVID-19 vaccine, developed by private Chinese pharmaceutical firm ‘Sinovac,’ is the third in the world to enter Phase 3 trials (large-scale testing on humans), considered to be the last step before regulatory approval.”Trials of CoronaVac, one of the vaccines that have advanced furthest in testing in the world, will begin at the Clinical Hospital of Sao Paulo,” the state’s governor, Joao Doria, told a news conference. He said initial results were expected within 90 days….