If your interested, take time to read this link
8/21/2017 at 1:39 PM
I have posted his bio so you know he is the top expert in the world and not some vaccine company or hate group.
once a year, Ronald Schultz checks the antibody levels in his dogs’ blood. Why? He says for proof that most annual vaccines are unnecessary.
Schultz, professor and chair of pathobiological sciences at School of Veterinary Medicine, has been studying the effectiveness of canine vaccines since the 1970s: he’s learned that immunity can last as long as a dog’s lifetime, which suggests that our “best friends” are being over-vaccinated.
http://news.wisc.edu/schultz-dog-vaccines-may-not-be-necessary/