JC> -> If so, it's only because a "critical mass" of HIV-infected gay men
JC> -> aren't present in those countries.
JC> -> Until a "critical mass" of people in a given region have a 
JC> particular
JC> -> communicable disease, it's unlikely that any uninfected person 
JC> will
JC> -> come into contact with an infected person as long as he stays in
JC> -> that region.
JC> 
JC> I am not sure of the concept you are trying to get across here.
    If someone has sex with every man and woman in a country where nobody has 
gonorrhea, he faces no risk of contracting gonorrhea.
    It's the same way for AIDS.  Until a "critical mass" of people in a 
region are HIV+, an epidemic is just impossible.
--- Simplex BBS (v1.07.00Beta [DOS])
---------------