She seems to be suffering from some kind of infection. The shivers may be caused by the fever and that also may be the cause of you feeling her so warm. Remember the worst cold you've had and that may be close to what she feels.
The problem is that cold-like infections in dogs tend to be dangerous for them. Take her to a vet ASAP for diagnosis and treatment.
The problem is that cold-like infections in dogs tend to be dangerous for them. Take her to a vet ASAP for diagnosis and treatment.