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image copyrightGetty Imagesimage captionThe race for a Covid vaccine is in full swing A Covid-19 vaccine developed in China has shown success in mid-stage trials, researchers say. There are several vaccines being developed in China, some of which are already being administered. According to the researchers, the Sinovac Biotech vaccine led to a quick immune response during trials with around 700 people. The announcement comes after European and US vaccines reported successful data from large late-stage trials. Three vaccines, developed in the US, Germany and Russia, have all released data suggesting efficiency of more than 90%, after trials with tens...
