In a letter sent to veterinarians, Intervet Schering-Plough announced an urgent, voluntary recal of all serial numbers of Prevenile® West Nile Virus vaccine for horses. The recall is due to an increased incidence of adverse effects. The United States Department of Agriculture, Center for Veterinary Biologics has been notified.

All veterinarians are urged to check their inventory. The serial numbers included in the recall include:

PreveNile One-Dose
91669001
91669002
91669005
91669006
91669007
91669012
91669013
91669014
91669015
91669016
91660001
91660002

PreveNile Five-Dose
91669003
91669004
91669008
91669009
91669010
91669011
91660003
91660004

For more information, contact Schering-Plough Animal Health at (866) 349-3497.