Here’s what worries some experts about how Chinese companies are developing potential Covid-19 vaccines – CNN Video
‘);$vidEndSlate.removeClass(‘video__end-slate–inactive’).addClass(‘video__end-slate–active’);}};CNN.autoPlayVideoExist = (CNN.autoPlayVideoExist === true) ? true : false;var configObj = {thumb: ‘none’,video: ‘world/2020/11/18/china-coronavirus-covid-19-experimental-vaccines-development-watson-pkg-intl-ldn-vpx.cnn’,width: ‘100%’,height:…