7-way dog vaccines are recommended for the vaccination of healthy dogs against diseases caused by canine distemper, canine hepatitis, adenovirus cough (kennel cough), parainfluenza, parvovirus, and leptospira bacterin (2 or 4 strains). Revival Animal Health offers distemper, adenovirus, parainfluenza, and parvovirus in modified live versions of the virus and leptospira bacterin in a killed version of the virus.