They certainly brought it to prominence: https://www.bloomberg.com/news/articles/2020-03-13/chinese-official-pushes-conspiracy-theory-u-s-army-behind-virus htt

They certainly brought it to prominence: https://www.bloomberg.com/news/articles/2020-03-13/chinese-official-pushes-conspiracy-theory-u-s-army-behind-virus https://www.bloomberg.com/news/articles/2020-03-13/chinese-o...