Walter Reed Says Rapid HIV Test 100% Accurate BICO, Inc. (BIKO) subsidiary Rapid HIV Detection Corp.'s InstantScreen showed a perfect 100% sensitivity and 100% specificity in nearly 600 tests performed at Water Reed recently. The data was presented at the conference by Dr. Nelson T. Michael, Chief - Department of Molecular Diagnostics and Pathogenesis at Walter Reed. Dr. Bernard Branson, Medical Epidemiologist for the CDC's National Center for HIV, STD and TB Prevention, spoke of InstantScreen in the session "Accuracy of Newer Rapid Tests for HIV Antibody."