**Effective protection against Canine Cough**Canine Spectra® KC3 vaccine is a combination of immunogenic, attenuated strain of canine adenovirus type 2 (CAV2) and canine parainfluenza (CPIV) propagated in cell line tissue cultures with an avirulent live culture of Bordetella bronchiseptica.h4. Usage:Dogs 8 weeks of age or older.h4. Benefits:• Safe and effective protection against Canine Cough.• Easy-to-use intranasal vaccine.• Applicator tip included.• Do-it-yourself at home.• How-to-vaccinate videos available online.h4. Directions:Open the syringe by twisting or tapping the cap against a hard surface to break the heat weld. Aseptically rehydrate the vaccine cake with 1 mL of sterile diluent supplied. Shake until dissolved. Withdraw entire contents into the syringe. Twist and remove needle from syringe and attach enclosed applicator tip. Using the syringe with the applicator tip attached, administer 0.5 mL of rehydrated vaccine into each nostril. Historically, annual revaccination with this product has been recommended. The need for this booster has not been established. For advice on revaccination frequency and annual booster vaccinations, consultation with a veterinarian is recommended.