Answer:
It was as though madness had infected all of us.
Step-by-step explanation:
Based on this excerpt from Chapter 2 of Night by Elie Wiesel, it is described by the narrator how Madame Schacter's shrieking screams affects the mental state of the prisoners until she is finally confined so she cannot disturb others with her screams.
Because of this, the narrator insinuates that woman is acting that way because of the terrible experiences the Jews were facing.