Perhaps we now know how many peoples we have history of having lived at various times but totally disappeared!
I believe that victims of Ebola's physical bodies are consumed by that bug.
Maybe God allowed the results of their evil sins to completely destroy them by their own actions, not by wars with other nations.
There’s many ways that someone gets a weak immune system, but HIV is one that with few exceptions, is the result of one’s unconstrained behavior. If some man who was interested in other men was mostly monogamous with few partners, the odds of HIV and other STDs would be pretty low.