The purportedly/potentially virus-laden air easily could be sterilized by the incinerating effects of the combustion that takes place within a jet engine and then cooled with ease by the ambient temperatures found at flight altitudes. Biohazard-containing research facilities routinely and under Federal mandate pass vented air therefrom through incineration devices contained in ventilation ducts.
Such really isn't rocket science. Or is it, in a very real sense?
But fear not -- there's always at least one or two FReepers who have been-there-done-that-got-the-T-shirt and can effortlessly come up with solutions to the problems of today's world that defy the bloviated "experts" who constipate the world with their Hopkinsesque "studies.".
And said FReepers do it in such an ever-so-humble manner to boot, always glad to pop yet another hype-filled balloon released by "experts" and dispersed by the ever-gullible media that survives largely scaring the $#!t out of the adoring sheeple on a daily basis.
Now I remember why I got the hell out of laboratory "science" so many years ago......