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Title: Detection by real-time RT-PCR of a bovine respiratory syncytial virus vaccine in calves vaccinated intranasally. Author: Timsit E, Le Dréan E, Maingourd C, Belloc C, Guattéo R, Bareille N, Seegers H, Douart A, Sellal E, Assié S. Journal: Vet Rec; 2009 Aug 22; 165(8):230-3. PubMed ID: 19700783. Abstract: Seventeen four- to five-week-old calves that were not shedding bovine respiratory syncytial virus (BRSV) were vaccinated intranasally against the disease and sampled by nasal swabbing on 16 different days for up to 20 days after vaccination. BRSV vaccine virus was detected in 15 of the 17 calves. Five of the calves were PCR positive on only one swab, eight were PCR positive on two to five swabs and two were PCR positive on more than five swabs. Twelve of the calves were positive only before day 14 and three were positive after day 14. The nasal shedding of BRSV vaccine virus was very variable.[Abstract] [Full Text] [Related] [New Search]