What Procedure Did Dr

What procedure did Dr. Semmelweis order in the hospital that led to an immediate reduction in cases of childbed fever?

A) Only midwives were allowed to assist in labor and delivery.
B) Only midwives were allowed to perform autopsies.
C) Doctors did deliveries in the morning, before the autopsies in the afternoon.
D) Everyone was required to scrub their hands with bleach prior to assisting with a delivery.
E) Everyone was required to scrub their hands with bleach prior to assisting with an autopsy.