People will try to fight natural selection til the end of time.

We have such a terrible time developing our own immunities to things because of all the sterilizing chemicals we use on things, plus the man-made vaccines.... oh, and antibiotics.

Not to mention, when I was young I definitely remember getting some of my shots... those HUGE guaged needles that they jab into your small arm really hard... traumatizing... nothing like the tiny guaged needles they got now that you can't even feel go into you.

Wouldn't be surprised if any of the shots fuck around with our chromosomes a bit.

Setting ourselves up for a mystery epidemic to wipe out a hefty % of population. *sniff* *cough* mmmm.....