Chinese vaccines not very effective April 12, 2021 China admits vaccines have low protection rate. Vaccines from different technical lines considered. Where: China The Facts ▪ Gao Fu, Director CDC China said at a conference in Chengdu that Chinese vaccines do not have very high protection rates. ▪ Gao said the option of using vaccines from different technical lines is under consideration. ▪ Chinese vaccines made by Sinovac and Sinopharm have been distributed to several countries. ▪ Researchers in Brazil reported that the Sinovac vaccine was 50.4% effective at preventing severe and mild Covid-19 in late-stage trials. ▪ Brazilian regulators and the WHO require vaccines to be 50% effective to be administered to the public. ▪ The mRNA vaccines developed in China are under consideration for inoculation. Source Documents Direct, authoritative source material on this story. Reference Articles Articles Citable has ingested related to this story. Media Coverage Percentage of day’s news Article Sentiment Citable analysis assessing the language of each article related to the story as positive, negative or neutral. Publications Publications covering this story along with their cumulative positive or negative sentiment.