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Efficacy of a live glycoprotein E-negative bovine herpesvirus 1 vaccine in cattle in the field. 2001

M H Mars, and M C de Jong, and P Franken, and J T van Oirschot
Institute for Animal Science and Health (ID-Lelystad), Department of Mammalian Virology, PO Box 65, 8200, AB Lelystad, The Netherlands. m.mars@gdvdieren.nl

To assess the efficacy of a live glycoprotein E-negative bovine herpesvirus 1 (BHV1) vaccine to reduce transmission of BHV1 in cattle, a randomised, double-blind, placebo-controlled field trial including 84 herds was conducted in the Netherlands. The incidence of BHV1 infections during 17 months was monitored by detecting antibodies against BHV1 glycoprotein E. In the placebo-treated group 214 seroconversions in 3985 paired sera, and in the vaccinated group 67 seroconversions in 3601 paired sera were detected. Based on these data, the transmission ratio R(0) was estimated for each treatment, using the maximum likelihood approach and the martingale approach. In placebo-treated herds R(0) was 2.5 (CI 1.4-3.1) using maximum likelihood and 2.8 (S.E. 0.4) using the martingale approach. In the vaccinated group these estimations were 1.2 (CI 0.5-1.5) and 1.5 (S.E. 0.4) respectively. The vaccinated and placebo-treated group differed significantly in transmission of BHV1. These results suggest that the use of this live gE-negative BHV1 vaccine will reduce the incidence and transmission of BHV1 infections in the field.

UI MeSH Term Description Entries
D007242 Herpesvirus 1, Bovine A species of VARICELLOVIRUS that causes INFECTIOUS BOVINE RHINOTRACHEITIS and other associated syndromes in CATTLE. IBR-IPV Virus,Infectious Bovine Rhinotracheitis Virus,Infectious Pustular Vulvovaginitis Virus,Bovine Herpesvirus 1,Bovine Rhinotracheitis Virus, Infectious,Herpesvirus 1 (alpha), Bovine,Pustular Vulvovaginitis Virus, Infectious,IBR IPV Virus,IBR-IPV Viruses,Virus, IBR-IPV,Viruses, IBR-IPV
D009426 Netherlands Country located in EUROPE. It is bordered by the NORTH SEA, BELGIUM, and GERMANY. Constituent areas are Aruba, Curacao, and Sint Maarten, formerly included in the NETHERLANDS ANTILLES. Holland,Kingdom of the Netherlands
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D002417 Cattle Domesticated bovine animals of the genus Bos, usually kept on a farm or ranch and used for the production of meat or dairy products or for heavy labor. Beef Cow,Bos grunniens,Bos indicus,Bos indicus Cattle,Bos taurus,Cow,Cow, Domestic,Dairy Cow,Holstein Cow,Indicine Cattle,Taurine Cattle,Taurus Cattle,Yak,Zebu,Beef Cows,Bos indicus Cattles,Cattle, Bos indicus,Cattle, Indicine,Cattle, Taurine,Cattle, Taurus,Cattles, Bos indicus,Cattles, Indicine,Cattles, Taurine,Cattles, Taurus,Cow, Beef,Cow, Dairy,Cow, Holstein,Cows,Dairy Cows,Domestic Cow,Domestic Cows,Indicine Cattles,Taurine Cattles,Taurus Cattles,Yaks,Zebus
D002418 Cattle Diseases Diseases of domestic cattle of the genus Bos. It includes diseases of cows, yaks, and zebus. Bovine Diseases,Bovine Disease,Cattle Disease,Disease, Bovine,Disease, Cattle,Diseases, Bovine,Diseases, Cattle
D004311 Double-Blind Method A method of studying a drug or procedure in which both the subjects and investigators are kept unaware of who is actually getting which specific treatment. Double-Masked Study,Double-Blind Study,Double-Masked Method,Double Blind Method,Double Blind Study,Double Masked Method,Double Masked Study,Double-Blind Methods,Double-Blind Studies,Double-Masked Methods,Double-Masked Studies,Method, Double-Blind,Method, Double-Masked,Methods, Double-Blind,Methods, Double-Masked,Studies, Double-Blind,Studies, Double-Masked,Study, Double-Blind,Study, Double-Masked
D005260 Female Females
D006566 Herpesviridae Infections Virus diseases caused by the HERPESVIRIDAE. Herpesvirus Infections,B Virus Infection,Infections, Herpesviridae,Infections, Herpesvirus,B Virus Infections,Herpesviridae Infection,Herpesvirus Infection,Infection, B Virus,Infection, Herpesviridae,Infection, Herpesvirus,Infections, B Virus
D000034 Abortion, Veterinary Premature expulsion of the FETUS in animals. Veterinary Abortion,Abortions, Veterinary,Veterinary Abortions
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia

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