She will start to pant real hard and nesting take her to the place where you have ready for the puppies.
A dog can have false labor especially when you frighten it.
You can scare a dog and drive it into early labor.
sign to tell if your dogs in labor
Move the dog
yes
Yes
Not necessarily.
It could be - fireflies have proteins that may cause an allergic reaction if eaten by a sensitive dog.
it gives birth
If it is a non-anaphylactic reaction then how do you know it is a result from a vaccination? I would take my dog to my Veterinarian immediately and let him/her figure it out. That would be safest for your dog.
The better question is, how do you know that your dog is having an Anaphylactic reaction?
Yes...my cat and dog both have had allergic reactions.