Minimum Duration of Immunity for Canine Vaccines:Distemper- 7 years by challenge/15 years by serology
Parvovirus – 7 years by challenge/ 7 years by serology
Adenovirus – 7 years by challenge/ 9 years by serology
Canine rabies – 3 years by challenge/ 7 years by serology
Dr. Schultz concludes: “Vaccines for diseases like distemper and canine parvovirus, once administered to adult animals, provide lifetime immunity.” “Are we vaccinating too much?” JAVMA, No. 4, August 15, 1995, pg. 421.
To read an article by Dogs Naturally Magazine with even more excerpts and good info, check it out HERE.
And to give legislators the proof they need to extend the rabies vaccinations to 7 years, donate to the Rabies Challenge Fund - my #1 charity at this time!