Solo-Jec 9 (7-way with 4L) for Dogs is a 7-way modified live canine vaccine that includes protection against 4 strains of Lepto. Solo-Jec 9 aids in the prevention of disease caused by canine distemper, adenovirus type 2, hepatitis, parainfluenza, updated parvovirus Type 2b, and 4 strains of Lepto (L. canicola, L. grippotyphosa, L. icterohaemorrhagiae, and L. pomona). For dogs 6 weeks of age or older. Give 1 ml SQ. beginning at or about 6 weeks of age, then give every 2 to 3 weeks until 16 weeks of age. If primary vaccination is given after 12 weeks of age, give 2 doses, 2-3 weeks apart. Annual revaccination with a single dose is recommended. Not for pregnant bitches. Solo-Jec 9 requires mixing. Consult with your veterinarian about the advisability of vaccinating for lepto.