Bioengineered bird flu souped up via gain-of-function lab work could be developed in a shockingly short period of time, former CDC Director Robert Redfield told News Nation recently: I think it puts our world at great risk. We have the risk of natural spillover, but there is a species barrier. I’m obviously most worried about bird flu. Right now, it takes five amino acid change for it to be effectively infecting humans. That’s a pretty heavy species barrier but this virus is already now in 26 mammal species, as you saw most recently in cattle. But in the laboratory, I...