Specific procedures are outlined for prevention of the spread of infectious diseases with techniques of handwashing, diapering, and handling of known disease carriers. Protocols for classroom cleanliness list essential steps and key points and precautions for maintaining a hygienic environment. This section includes a list of protocols for food handling. It is pointed out that the transmission of infectious diseases may occur more readily in special centers for severely handicapped children because of the close personal contact required for care. Appendixes include information on legal requirements, cleaning schedules, selection of disinfectants, and descriptions of contagious diseases. (JD)