100% of samples taken from Kuala Lumpur… RNA fragments can also be present in waste from recovered people.

Don’t get me wrong, I still mask up on all flights the entire time. I don’t eat. I sometimes hold my breath and take a slug off a bottle of whiskey (I do not fly sober as a rule.)

I’m only saying this doesn’t exactly really encapsulate worldwide practical risk on flights (which have excellent air filtration once airborne)