Violence by the guards was not the only thing that prisoners had to worry about. Weakened physical conditions from overwork, very little food and poor hygiene in camp made illness and disease another frightening and lonely way to die. Yehudit Harris, a young boy in Amersfoort remembers screaming from the pain as his mother washed him with snow in the winter to rid them of lice and to protect against illness. Even the mattresses that prisoners slept on were often infested with lice, diphtheria, dysentery or T.B.