W. Va. Code § 33-25-8c
Notwithstanding any provision of any policy, provision, contract, plan or agreement to which this article applies, any entity regulated by this article shall, on or after the first day of July, one thousand nine hundred ninety-four, provide as benefits to all subscribers and members coverage for child immunization services as described in section five, article three, chapter sixteen of this code. This coverage will cover all costs associated with immunization, including the cost of the vaccine, if incurred by the health care provider, and all costs of vaccine administration. These services shall be exempt from any deductible, per-visit charge and/or copayment provisions which may be in force in these policies, provisions, plans, agreements or contracts. This section does not require that other health care services provided at the time of immunization be exempt from any deductible and/or copayment provisions.
W. Va. Code § 33-25-8c