February 2010

West Nile Vaccine Choices

Top-choice Prevenile offers a one-dose treatment and proven effectiveness.

By Eleanor Kellon, VMD

Thanks to a truly quantum leap in the quality of premarket testing, including challenge studies, we have solid information on West Nile vaccines, and there are now five choices.

Challenge studies are when a control group of horses and a vaccinated group are deliberately exposed to a disease. It’s a

Talk with your veterinarian about vaccinations this year to be sure you only do what you need and you time the injection so that it’s effective.

more accurate way to determine if a vaccine is effective than simply checking for antibodies after vaccination. …