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Microtiter solid-phase radioimmunoassay for detection of human calicivirus in stools.

ABSTRACT

A microtiter solid-phase radioimmunoassay (RIA) was developed for detection of human calicivirus in stool specimens. Seventy-eight stool specimens were tested by RIA. All 17 specimens positive for human calicivirus by electron microscopy (EM) were also positive by RIA. In addition, of 21 specimens obtained from an outbreak of caliciviral gastroenteritis, 11 were positive by RIA but negative by EM. Of 20 specimens positive for rotavirus by EM and 20 nondiarrheic specimens with no virus, 2 and 1, respectively, were positive by RIA but were subsequently shown to be falsely positive by a blocking test. There was no cross-reaction between human and feline caliciviruses. Thus, the test was more sensitive than EM and, with an appropriate blocking test, was specific for human calicivirus. It might be especially useful for screening large numbers of stool specimens.

This article has been cited by other articles:

• Atmar, R. L., Estes, M. K. (2001). Diagnosis of Noncultivatable Gastroenteritis Viruses, the Human Caliciviruses. Clin. Microbiol. Rev. 14: 15-37 [Abstract] [Full Text]