A Study of Illness in a Group of Cleveland Families

Abstract

ADENOVIRUS antibodies are common in civilian populations,^{1 , 2} and yet a number of studies have found consistently that these viruses cause only 0.5 to 3.0 per cent of the respiratory illnesses suffered by families, college students and adults.³ Clinical adenovirus infections may be uncommon in the groups studied because in many of the patients immunity had already developed as a result of such infections earlier in life. Indeed, by the age of five years, over 80 per cent of children have antibody to at least one type, and approximately 50 per cent have antibodies to two or more types.^{1 , 2} If the . . .