Pathogens are the most frequent of frequent flyers.
Makin
Matt
M
D000401:Aircraft; D000818:Animals; D001315:Australia; D004196:Disease Outbreaks / Q000517:prevention & control / Q000662:veterinary; D014943:Global Health; D006801:Humans; D007391:International Cooperation; D011634:Public Health; D014195:Travel; D015047:Zoonoses / Q000453:epidemiology / Q000635:transmission*