Over the last 20 years, there has been a dramatic increase in the number of vaccines given at one time as well as the types and frequency of vaccines. (houstonpettalk.com)
Multiple vaccines given at once greatly increase the chance of reactions. (celiasue.com)
The initial rabies vaccine given as a puppy or kitten will be repeated 1 year later, and thereafter every 3 years. (aroundtownvet.com)