Single-Dose WNV Booster Effective for Pregnant Mares (AAEP 2009)
When we only had one vaccine for West Nile virus (WNV) in horses, vaccination was quite simple. Then when different types of vaccines came along, the waters got a little muddier, especially for pregnant mares in which breeders feared risking not one, but two equine lives with new vaccine technologies.
At the 2009 American Association of Equine Practitioners Convention, held Dec. 5
