vaccinating

I have ha fawn I got just over a month ago, she was abandoned by her mother in the wild ( she was watched for a few days) so please dont bash me for having her.... my question is this.... I am guessing she is about 6 to 8 weeks old I can keep her as a pet but I need to know what I need to...

Some guys have told me they vaccinate fawns when they are pulled from the mother and tagged in the first days of life. Others say they wait until they are weaned. What are the pros and cons? The last two years I've waited until the fawn is weaned, but as we all know, an animal won't get the...