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Journal of Clinical Microbiology, June 1999, p. 2020-2023, Vol. 37, No. 6
Animal Diseases Research Institute, Canadian
Food Inspection Agency, Lethbridge, Alberta, Canada
Received 29 July 1998/Returned for modification 5 January
1999/Accepted 25 February 1999
A nested multiplex PCR was developed for genotyping of bovine viral
diarrhea viruses (BVDVs). The assay could detect as little as 3 50%
tissue culture infective doses of BVDV per ml and typed 42 out of 42 cell culture isolates. BVDV was also successfully typed, with or
without RNA extraction, from all 27 whole-blood samples examined from
22 carriers or probable carriers and 5 experimentally infected cattle.
0095-1137/99/$04.00+0
Typing of Bovine Viral Diarrhea Viruses Directly
from Blood of Persistently Infected Cattle by Multiplex PCR
*
Corresponding author. Mailing address: Animal Diseases
Research Institute, P.O. Box 640, Lethbridge, Alberta, Canada T1J 3Z4. Phone: (403) 382-5500. Fax: (403) 381-1202. E-mail:
deregtd{at}em.agr.ca.
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