[FoRK] avian flu/home grown/PastFutureTense

Stephen D. Williams sdw
Thu Oct 13 17:05:14 PDT 2005

In a perfectly pathological (heh) situation, yes it would:

Expose every member of a species to a 100% deadly dose of a virus.  All 
susceptible members die.  All those with natural immunity survive.  QED.

Of course, not everyone gets exposed, not every exposure is the same, 
exposure->development is not deterministic, susceptibility is not all or 
nothing.  Maybe there is no immunity.  Still, the widespread loss of 
population in a pandemic should tend to indicate that if there is any 
immunity in a population that those with immunity will have better 
"market share".


Andy Armstrong wrote:

> On 14 Oct 2005, at 00:34, Stephen D. Williams wrote:
>> If a disease kills most of those susceptable, the children from  that 
>> point on have to be more likely to survive, right?
> I agree with you re: shortcomings in the original post but I don't  
> think natural selection converges that quickly does it?

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