Deigin packed much information analysis essay doubted could work single individual suggested intelligence agency must authored it.But essay written greater lightness humor I suspect ever found CIA KGB reports , I see reason doubt Deigin capable sole author.In Deigin ’ wake followed several skeptics virologists ’ orthodoxy.Nikolai Petrovsky calculated tightly SARS2 virus binds ACE2 receptors various species found surprise seemed optimized human receptor , leading infer virus might generated laboratory.Alina Chan published paper showing SARS2 first appearance well adapted human cells.One establishment scientists questioned virologists ’ absolute rejection lab escape Richard Ebright , long warned dangers gain-of-function research .