Question

can you outsmart the fallacy that fooled a generation of doctors?
what caused the reduction in ignaz semmelweis’ patients deaths from childbed fever?
a autopsy procedures
b contagious bacteria
c hand washing
d hemolytic streptococcus

Explanation:

Ignaz Semmelweis discovered that hand washing (option C) reduced childbed fever deaths. He noticed doctors who didn't wash hands after autopsies spread infections. Hand washing reduced bacterial transmission, lowering mortality. Other options: Autopsy procedures (A) didn't reduce deaths; contagious bacteria (B) were the cause but not the solution; hemolytic streptococcus (D) is a bacteria but not the intervention that reduced deaths.

Answer:

C. hand washing