DESCRIPTIONS OF TWENTY-FIVE INFECTIOUS AND COMMUNICABLE DISEASES INCLUDE CAUSES, SYMPTOMS, EFFECTS, TREATMENT AND PREVENTIVE MEASURES. IT HAS BEEN DISCOVERED THAT RESPIRATORY AILMENTS OF A COMMUNICABLE NATURE ARE THE MOST COMMON CAUSE OF ABSENTEEISM AMONG STUDENTS. INFORMATION IS INTENDED FOR THE USE OF TEACHERS OF HEALTH EDUCATION OR OTHER PERSONNEL CONCERNED WITH THE SCHOOL HEALTH EDUCATION PROGRAM. MATERIALS ARE ESPECIALLY DESIGNED FOR USE BY TEACHER-NURSES AND HIGH SCHOOL TEACHERS OF HEALTH AND PHYSICAL EDUCATION AND IN HEALTH EDUCATION COURSES IN TEACHERS COLLEGES.