York Clinical Research, LLC is recruiting female volunteers for a research study to develop a vaccine against the CMV virus. This virus causes the majority of infectious birth defects in the Western Hemisphere. We are seeking female volunteers 18 to 35 years of age. In addition to contributing to the development of this important vaccine, volunteers will be financially compensated for their time and travel expenses. Morning and afternoon appointments are available. For more information interested persons may call 757-624-9200 or 757-373-8478 (mobile).