Didn't read the article (paywall), but why should it be surprising that farts _can_ spread Covid? It's to be expected. What is of much more importance is how

Didn't read the article (paywall), but why should it be surprising that farts _can_ spread Covid? It's to be expected. What is of much more importance is how effective this is as a method of spreading the virus compared to other transmission methods, including touching common surfaces.