Chinese Covid-19 vaccine has 86% efficacy, UAE says

The United Arab Emirates said a Chinese coronavirus vaccine tested in the federation of sheikhdoms has 86% efficacy, in a statement that provided few details but marked the first public release of information on the performance of the shot. The announcement brought yet another contender into the worldwide race for a vaccine to end the pandemic, a scientific effort in which China and Russia are competing with western firms to develop an effective inoculation.