I'm very sorry to hear about your dog. What does the vet say? There is a great forum for pet owners here and you can ask an actual veterinarian for advice, which is free.
If your dog is eating, drinking and playing, it's my guess that she got into something that upset her stomache but she is on the mend now. I am not a vet and only a professional can tell you for sure what the problem may be.
If she has had all her shots, which should have included a rabies vaccination, you have nothing to worry about. I'd just keep my eye on her for a few more days to make sure she is back to her normal self.
And I don't want to add to your anxiety, but living in the city does not make your dog immune to rabies.
Let us know how she's doing and go visit the Pet Forum. I think they will be able to help calm your panic down about this rabies fear. They can tell you all the signs you need to be watching for.
Peace
Greenlydia