The FDA has approved a DNA test - COBAS AmpliPrep/COBAS TaqMan CMV Test - to measure the efficacy of anti-viral treatment in solid organ transplant recipients who are being administered CMV (cytomegalovirus) antiviral therapy. The viral load test can determine, from a sample of the patient's blood plasma, levels of CMV nucleic acid. The doctor can use the device to carry out a series of tests to ...