group of 4 puppies

We’re getting reports of potential canine parvovirus infection in vaccinated dogs in some parts of northern Ontario. Parvo is a nasty but vaccine-preventable disease, and available vaccines are very effective. True vaccine breakthrough (i.e. infection in a fully vaccinated individual) seems to be rare with canine parvo, but no vaccine is 100% effective, so it

While I get lots of interesting infectious disease questions every day, most aren’t new.

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This one was.

To paraphrase, the question was basically “If we want to minimize the number of injections when vaccinating a dog, can we mix rabies and core (e.g. distemper, parvovirus, adenovirus) vaccines in the same syringe, using rabies vaccine