Reportedly, the CDC denies any risk of epidemic among the general population if it reaches the US or any well-off country.
Perhaps they think it would be mostly confined to special sub-populations like AIDS or Hepatitis C, spreading among them only in similar manners via specific, risky behaviors most of the population does not engage in.
But in Africa, again like AIDS and Hep C, there is a greater risk of spread among the whole population, for like behavioral reasons (greater promiscuity, more widespread risky use of drugs, etc.).
In which event support by groups not much at risk for any significant effort by wealthier nations to stop Ebola in Africa would seem to be largely altruism, as has been any help provided to date with regard to Ebola, AIDS, or Hep C, so far as such folk are concerned.
But viruses mutate, and all the more as they successfully spread lots of fresh generations in lots of fresh hosts.
So the risks to be faced by most humans now alive would be reduced by efforts to suppress outbreaks and drive down infection rates for pretty much any bad virus, anywhere in the world, including promiscuous and drug-sloppy Africa.
Hard to say what costs might be justified by such gains.
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