For records from West Virginia you should contact the Health Statistics Center at DHHR. Call 1-877-448-3953 or go to their website for more information.
You can request records in person (Charleston), by mail or online. If you are not able to pay for copies, you may be able to work with a charity or state agency to get a copy for free (W.Va. Code Section 16-5-29(c)).
To request these records from other states, visit the National Center for Health Statistics website at http://www.cdc.gov/nchs/w2w/index.htm