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Originally Posted by mogli  I recently learned that the lepto vaccine covers 2 strands.
Did you know there's really 8 strands? I guess the 2 they vaccinate for are just more common ... |
Yes, the lepto vaccine covers either two or four strains. Then there is another one that covers four, I believe. For your dog to be as protected as possible against lepto they would have to have two vaccines twice a year (dependingon the area).
Then there are still no guarantees.