A comparison of three rapid diagnostic methods for the detection of rotavirus infection in calves |
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| Authors: | S Edwards D Chasey P Napthine J Banks C Hewitt-Taylor M P Cranage |
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| Affiliation: | 1. Department of Virology, Central Veterinary Laboratory, New Haw, Weybridge, Surrey, KT15 3NB Gt. Britain;1. Department of Pathology, University of Cambridge, Addenbrooke''s Hospital, Hills Road, Cambridge, CB2 2QQ, Gt. Britain |
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| Abstract: | Three techniques for the detection of rotavirus in faecal samples from calves with neonatal gastroenteritis were compared. A preliminary study indicated that reverse passive haemagglutination (RPHA) was at least as sensitive as the enzyme-linked immunosorbent assay (ELISA). These two immunoassays were compared with the detection of viral RNA by polyacrylamide gel electrophoresis (PAGE) on 209 field samples. Of the 77 samples in which at least one test gave a positive result, 69 were positive by both RPHA and PAGE, but only 49 were also positive by ELISA, indicating a lower sensitivity for the latter test. The overall agreement between RPHA and PAGE was 96%. The reasons for the discrepancies between the tests are discussed. |
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