This is a good write-up about Semmelweis' findings - it has some points which I was not previously aware of.<p>"The Semmelweis reflex or "Semmelweis effect" is a metaphor for the reflex-like tendency to reject new evidence or new knowledge because it contradicts established norms, beliefs or paradigms."<p>- <a href="https://en.wikipedia.org/wiki/Semmelweis_reflex" rel="nofollow">https://en.wikipedia.org/wiki/Semmelweis_reflex</a><p>The phenomenon of rejecting advancements is pervasive throughout medicine, even today.