My dog has vommitted twice since biting and killing a rabbit?

well my dog killed my duck and rabbit but they are tamed and know they are healthy so nothing happed to my dog but if you dog killed a WILD rabbit take him to the vet that rabbit could have any disease i would take her first thing in the morning when you do find out please email im curious i hope she will be okay what type of dog is it ? best of luck to you and your doggy hope he gets better