Technicians set up polymerase chain reaction, or PCR, assay for Ebola in a containment laboratory. Assay components are assembled in the PCR hood to prevent contamination that could interfere with test results. U.S. Army photo by Dr. Randal J. Schoepp
Technicians set up polymerase chain reaction, or PCR, assay for Ebola in a containment laboratory. Assay components are assembled in the PCR hood to prevent contamination that could interfere with test results. U.S. Army photo by Dr. Randal J. Schoepp