\s=b\An epidemic of coxsackievirus B2 infections occurred at a boys' summer camp. The resulting illness was characterized by malaise, headache, muscle pain, and high fever that persisted for four to six days. The boy in the index case arrived at the camp the first day of the season. The attack rate was 89% among campers and 47% among counselors. The spread of infections appeared to be on a person-to-person basis and in a disorderly fashion. Unusual features of the epidemic included the high attack rate, restriction of infection to the camp residents, and evidence of prolonged pharyngeal viral shedding. Conditions at camps are ripe for similar epidemics and the potential problem is greater than is generally realized.(Am J Dis Child 133: [782][783][784][785] 1979) During the past 20 years as a physi¬ cian at a boys' summer camp, I have been impressed with the amount of infectious illness that has occurred among the camp residents and the rather extensive nature of the spread of illness. Because of limited medical facilities and the mildness of most of the illnesses, little was done in most years to identify specific causes and treatment has generally been suppor¬ tive in nature. However, in several years, etiological studies were done and epidemics of adenovirus, MycoFrom The