Semmelweis and Lister Noted That Many of Their Patients' Deaths

Question

Semmelweis and Lister noted that many of their patients' deaths were due to
A) fungi.
B) Escherichia coli.
C) chlorine.
D) pathogen transmission by doctors.
E) Staphylococcus.

Accepted Answer

Semmelweis and Lister observed that many patient deaths were due to pathogen transmission by doctors not properly washing their hands or instruments, leading to the spread of infections within hospitals.