Well that says dogs have a worst case 0.0045% chance to have nonspecific vaccine reaction, allergic reaction, urticaria, or anaphylaxis within 3 days of getting

Well that says dogs have a worst case 0.0045% chance to have nonspecific vaccine reaction, allergic reaction, urticaria, or anaphylaxis within 3 days of getting a vaccine . Probably why my vet said to watch them for any reaction for a few days. Nothing you do is 100% safe including taking vaccines, its simply a risk benefit analysis.