Dumb question: The asymptomatic carriers for Coronavirus.

[Coleman]

9. Magic Johnson as a example

It's estimated that 10% of the human population is immune to HIV. Just like Magic, they are carriers of the HIV, but do not show any signs of the effects of having it, like AIDS. However, they can infect other people just like any AIDS infected person. One of the interesting facts. A decade or so ago, a cheetah was discovered to have FIV (cat version). Panic hit, biologist were concerned that there was going to be a major exinction event, being a wild cat is kind a messy. They started testing wild cats in zoos and the wild, discovering every cat (lions, tigers, leopards ...) were FIV positive. Subsequent studies estimate about 700 years ago wild cats were almost extinct, the only survivors were those immune to FIV.