Here is the lastest press realease regarding the recall of Prevenile (West Nile Vaccine made by Intervet). The reports we have heard involving the "adverse" events are an anaphylactic (severe allergic) reaction that occurs within minutes of administering the vaccine.
ECLAP uses the West Nile Vaccine made by Fort Dodge. We have had no Anaphylactic reactions to the vaccine in over 6 years of use and only a few local injection site reactions.
Intervet Schering-Plough recalls West Nile Virus vaccine May 4, 2010 - Intervet Schering-Plough has announced an urgent recall of all serial numbers of PreveNile® West Nile Virus vaccine for horses due to an increased number of adverse event reports associated with the use of these vaccines. The recalled serial numbers include one-dose and five-dose vials of the vaccine. A list of the recalled lot numbers is available on the AVMA Web site. Veterinarians with any of the affected serial numbers in stock should contact their distributor to arrange for the product’s return. The USDA has been alerted of this recall, according to a letter distributed by the manufacturer.