Lock them in an airtight aluminium tube for several hours
Circulate droplet infections with airconditioning
Yes, for many years there's been lots of jokes and complaints about the likelihood of "
catching something" while travelling by air; the oft referred to well-known effect of being stuck inside the sealed aluminium tube !
Sorry, though . . . . . . it just isn't like that ! This was published in June this year, and summarises what has been known for many years:
Report dispels myth of aircraft cabin infections - News - Travel - smh.com.au I hate to be the one to spoil a good debate with nothing other than simple proven facts . . . . .