West Nile Innovator (Zoetis) Proven safe with more than 20.5 million doses administered. Shown to be 94 percent effective against West Nile virus in a one-year challenge study. Whole virus technology stimulates a complete, natural immune response
Dosage: Inject one 1ml dose intramuscularly using asceptic technique. Administer a second 1ml dose in 3 to 6 weeks after the first dose. Revaccinate annually with one 1 ml dose.