EHV-1 and EHV-4 infection in vaccinated mares and their foals

Veterinary Immunology and Immunopathology
C E FooteJ M Whalley

Abstract

A silent cycle of equine herpesvirus 1 infection was described following epidemiological studies of unvaccinated mares and foals on a Hunter Valley stud farm. Following the introduction of routine vaccination with an inactivated whole virus equine herpesvirus 1 (EHV-1) and equine herpesvirus 4 (EHV-4) vaccine in 1997, a subsequent study identified excretion of EHV-1 and EHV-4 in nasal swab samples tested by PCR from vaccinated mares and their unweaned, unvaccinated foals. The current sero-epidemiological investigation of vaccinated mares and their young foals found serological evidence of EHV-1 and EHV-4 infection in mares and foals in the first 5 weeks of life. The results further support that EHV-1 and EHV-4 circulate in vaccinated populations of mares and their unweaned foals and confirms the continuation of the cycle of EHV-1 and EHV-4 infection.

References

Jan 1, 1997·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·S CarmanD Lein
Mar 31, 2005·Veterinary Immunology and Immunopathology·C E FooteJ M Whalley
Apr 1, 1986·New Zealand Veterinary Journal·P D JollyA J Robinson

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Citations

Aug 19, 2007·Journal of the American Veterinary Medical Association·James A BrownNicola Pusterla
Oct 18, 2011·Journal of the American Veterinary Medical Association·Timothy L Cushing, Donald H Schlafer
Apr 16, 2013·Research in Veterinary Science·J RusekP Horin
Jul 10, 2007·The Veterinary Clinics of North America. Equine Practice·Nuria BarqueroJ Richard Newton
Feb 11, 2015·Veterinary Microbiology·M DunowskaH B Carslake
Apr 27, 2007·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Nicola PusterlaHal C Schott
Jun 7, 2016·The Journal of Veterinary Medical Science·Alejandro Perez-EcijaJosé Pérez
May 1, 2021·Pathogens·Anisha DayaramAlex D Greenwood

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