There's actually a good amount of evidence that the emotion of disgust - and even the associated facial expressions - are universal among human cultures. See re

There's actually a good amount of evidence that the emotion of disgust - and even the associated facial expressions - are universal among human cultures. See research by Plutchik, Rozin, and Ekman. It's elicited typically by potential biological contaminants, like bodily fluids, spoiled foods, vermin, bodily violations (blood, gore, etc.), and infection.