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Clinical and Diagnostic Laboratory Immunology, May 2001, p. 496-498, Vol. 8, No. 3
Department of Diagnostic
Medicine-Pathobiology, College of Veterinary Medicine, Kansas State
University, Manhattan, Kansas 66506
Received 30 November 2000/Returned for modification 2 January
2001/Accepted 18 January 2001
The performance of the Virogen Rotatest latex agglutination test
(LAT) was evaluated for detection of bovine rotavirus antigen. Sixty-three fecal samples from diarrheic calves were collected from
November 1999 to May 2000 and screened by LAT, the Rotazyme II
enzyme-linked immunosorbent assay (ELISA), and virus isolation (VI)
followed by an anti-rotavirus fluorescent-antibody (FA) test to detect
the presence of group A rotavirus antigen. Of the 63 samples screened
by VI-FA, 33 (58%) tested positive for rotavirus antigen. When the
results from the LAT were compared to those from VI-FA, the "gold
standard" for detection of bovine rotavirus in fecal samples, the
sensitivity and specificity were found to be 87.8 and 73.3%,
respectively. Latex agglutination compared with ELISA (the reference
method) showed 100% sensitivity and 96.3% specificity, and when ELISA
was compared with VI, the sensitivity was 84.8% and the specificity
was 73.3%. Latex agglutination is easy to perform in a short time and
does not require expensive equipment or skilled personnel, and the
reagents have long shelf lives. These factors make the LAT suitable and
highly efficient for use in a clinical laboratory as a rapid screening
test for bovine rotavirus.
1071-412X/01/$04.00+0 DOI: 10.1128/CDLI.8.3.496-498.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Evaluation of a Latex Agglutination Kit (Virogen
Rotatest) for Detection of Bovine Rotavirus in Fecal
Samples

*
Corresponding author. Mailing address: Department of
Diagnostic Medicine-Pathobiology, College of Veterinary Medicine,
Kansas State University, Manhattan, KS 66506-5606. Phone: (785)
532-4457. Fax: (785) 532-4829. E-mail: kapil{at}vet.ksu.edu.
Contribution 01-16-J from the Kansas Agricultural Station, Manhattan.
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