W210 said:
Oh brother.
Earlier versions? Is it a similar virus, or is it the same virus only evolved?
Spanish flu evolved from birds to humans.
Asian flu evolved from birds to humans
H1N2 evolved from birds to pigs to humans
Well go take up the "adaptation and evolution are the same thing", misunderstanding up with webster.
Adaptation describes the process whereby an organism adapts to, or learns to survive in, its environment. The process is crucial to natural selection, enabling those organisms or species best suited to a particular environment to survive. Ethologists, scientists who study the behavior of animals in their natural habitats from an evolutionary perspective, document adaptive behavior.
http://www.healthline.com/galeconte...adaptation&utm_medium=mw&utm_campaign=article