(a) The Commission shall determine, on the basis of the evidence presented to it, the following issues:
(1) Whether any injuries alleged in the claim are vaccine-related injuries; and
(2) How much compensation, if any, is awardable pursuant to G.S. 130A-427.
(b) If the Commission determines pursuant to subsection (a) of this section that the injuries alleged in the claim are not vaccine-related injuries, it shall render a decision denying any compensation. If the Commission decides that any of the injuries are vaccine-related injuries it shall make an award pursuant to guidelines it establishes specifically adopted to relate to vaccine-related injuries.