Chinese defector's Covid study relies heavily on unverified sources

A paper published by Chinese virologist Li-Meng Yan which claims Covid was man-made relies heavily on unsubstantiated sources to make some of its key points, MailOnline has found. https://www.dailymail.co.uk/news/article-8743765/Chinese-defectors-Covid-study-relies-heavily-unverified-sources.html?ns_mchannel=rss&ns_campaign=1490&ito=1490