With respect to cantacting diseases, the cheetahs live in few groups and sometimes alone(most especially, female cheetahs) and just like we know, they are territorial animals, and with their low population, this simply entells that a diseases attack on a group of Cheetahs is less likely to lead to an epidemic on the cheetah specie. Just like you might have observed writing on these animals, sources have information mixed up most times, Thanks for pointing out a few lapses in information,will do better at the research. Have learnt a lot from your contribution :)
RE: Kingdom Animalia #2 - The Cheetah