The highest-paid Federal civil servant and his gain-of-function research with Federal tax dollars – outsourced to the Wuhan Institute of Virology – developed the high affinity ACE-2 receptor.
Dr. “Death”‘s labelled his opinion in the Washington Post: “A flu virus risk worth taking” (https://www.washingtonpost.com/opinions/a-flu-virus-risk-worth-taking/2011/12/30/gIQAM9sNRP_story.html):