The tricks used by doctors in World War II were so effective in saving so many Jewish lives because the medical sickness frightened so many Nazis.In paragraph 5,sentence, it said how that the Nazis were so afraid to catch the disease,that they “fled like rabbits” when they found out people in the hospital had caught it.There were two medical tricks used by doctors.The first medical trick was created by doctors in poland.The trick was to inject the patients with a chemical compound that would trick the Nazis tests but not harm the patients.Doctors named it after a real,deadly disease that was called “Typhus”.ll nazi soldiers and leaders were afraid of this disease because of how deadly it was and how many of their soldiers died because of it.