"It opens our eyes to many quite weird possibilities about disease that most medical scientists,
tending to be unaware of current evolutionary thought, don't think of."
"One of Paul's most important insights is that AIDS is probably not a new disease, in the sense of HIV being a new pathogen.
What we're dealing with is a pathogen that has rapidly evolved a much higher level of virulence because of its environmental circumstances.
It may have been an organism that, prior to two or three decades ago, was transmitted primarily from parent to offspring
— and maybe rarely between sex partners." 3rd culture.