W. Va. Code § 21-5D-7: Seniority and employment benefits.

(a) Nothing in this section entitles any returning employee to the accrual of any seniority or employment benefits during any period of family leave.

(b) During any family leave by an employee, the employer shall continue group health insurance coverage for such employee: Provided, That the employee shall pay the employer the premium costs of such group health insurance coverage.