Kitten Vaccines Explained Vaccines and the purpose behind multiple vaccinations in kittens can be a bit confusing for a lot of pet owners (and breeders). I think this warrants a simplified explanation so that we can all be better equipped with more understanding of the process. First, let’s elaborate on the immune system.  Think of the immune system as a three part machine. SKIN BARRIER/MUCOSAL BARRIER The skin is one of your kitten’s first methods of defense against any invasive pathogen. Different mechanisms like proteins and cilia can stave off bacterial/viral/fungal infiltration. Because this is the first method of defense…