Today, we all know that we should wash our hands to stop the    27    of disease. But this idea was not always accepted by   28   in the past. In 1846, Ignaz Semmelweis worked in a hospital. At that time, childbirth was dangerous for women. Many women had a deadly infection   29   childbed fever after giving birth. Everyone was afraid   30   it, and nobody knew what caused it. Ignaz   31   that doctors often did autopsies before helping with childbirth while the midwives never did this. He   32   to suspect that the infection was spread from dead bodies through touch. He ordered hospital workers to wash their hands after autopsies. Soon, the rate of childbed fever dropped   33   the hospital. However, when Ignaz told other doctors about the importance of washing hands, they didn’t agree. Back then, they had not even discovered   34   yet. The doctors thought that washing hands had nothing to do with avoiding infection. Ignaz got angry with people’s responses. He was so rude to those 35 disagreed with him that he got himself fired. He ended up in a mental hospital, 36 he died two weeks later from an infection like the one that had cost him his career.

(AB) who (AC) scientists (AD) where (AE) called (BC) of (BD) spread (BE) throughout (CD) noticed (CE) began (DE) germs