CDD specializes in testing for the detection of communicable diseases, with a strong concentration in sexually transmitted diseases and HIV (whole blood, oral and urine). Our services include testing for STD's, HIV and communicable diseases.

Our clients include the U.S. Department of Labor, U.S. Department of the Interior, USAid, Pennsylvania Department of Health, Vermont Department of Health, Nebraska Department of Health, and the Kansas Department of Health. In all, we service nearly 1,000 sites in all 50 states, Puerto Rico, and the Dominican Republic.