Fecal rotaviruses, adenoviruses, coronavirus-like particles, and small round viruses in a cohort of rural Costa Rican children.

Excretion patterns of fecal viruses were studied in a cohort of 51 rural Costa Rican children. The presence of rotavirus, adenovirus, coronavirus-like particles, and small round viruses was investigated by electron microscopy (EM) in 2,516 extracts of weekly fecal specimens. Rotavirus was in addition studied with ELISA.