Volume 16, Issue 2
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



The etiology of acute diarrhea was studied at Phoenix, Arizona, by the examination of fecal specimens from 438 children hospitalized because of diarrhea and from 318 comparable persons without diarrhea. Laboratory examinations revealed the following percentage of specimens with pathogens from patients and control subjects, respectively: 23.5 and 0, 3.7 and 2.2, EEC 30.6 and 6.9, adenovirus 2.5 and 0, Coxsackie virus 3.0 and 0.9, ECHO virus 11.9 and 4.4, and poliovirus 2.3 and 6.9. Poliovirus was probably of vaccine origin.

and EEC were associated, respectively, with diarrhea in about 15 and 37% of the infants under 1 year of age, who constituted about 78% of the cases. EEC was not recovered from persons over 2 years of age, but was relatively more prevalent among this group than among younger children.

Definitive data were not obtained on the etiologic significance of viruses. ECHO virus was isolated from patients at more than twice the rate as from control subjects.


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