(Merck) Bordetella + Adenovirus + Parainfluenza Modified live + avirulent live Bordetella bronchiseptica. For protection against canine adenovirus type 2, parainfluenza and Bordetella bronchiseptica. For dogs 3 weeks of age or older. Give intranasally. Instill 1 ml into one nostril, or split dose between both nostrils. For small dogs and puppies, a 0.5 ml dose may be prepared by mixing 0.5 ml diluent with standard, full dose of powder. Annual revaccination is recommended. Requires mixing. Applicator tips are included. Order syringes separately.