How Long Effects Last Dog Flu Shot? How long do dog flu vaccine side effects last? Not long. While the canine flu can last for up to 3 weeks, the effects or symptoms of the dog flu vaccine usually appear and disappear after a day or two. Can dogs get sick from canine influenza vaccine?
How Long Are Dogs Shots Good For? However new research by several vaccine manufacturers has led to the approval of vaccines good for 3 years in adult dogs that have received all puppy vaccines and a vaccination one year after their puppy set. This is due to a build up of long term memory cells.
How Much Is The Fine For Not Having Dog Vaccinated? While it is ideal to have the second vaccination given within 4 wk, the Task Force considers 6 wk to be the “outside limit” between initial vaccinations, beyond which the series would need to begin again (two additional doses, administered 2 to 4 wk apart).