Answer of all your questions are research based. So, reply depends on result of research which are multiple and results are not exactly same.
But if you are suspecting for individual or yourself, you must know rabies is 100% fatal.
So always advisable to take measures like vaccine.
At individual case , results become 100 percent success or 100 percent fatal.
Next Steps
Always consider vaccine if you doubt transmission.
Dr Chandan Barnwal
Child Specialist