Medical diagnostic devices for identifying antigens in blood, urine, saliva, serum, cerebral spinal fluid, sweat, and sputum; Medical diagnostic devices, namely, medical diagnostic apparatus for testing for viruses; Medical diagnostic equipment, namely, portable testing instruments in the nature of hand-held and bench-top instruments to test diagnostic cartridges for identifying antigens in blood, urine, saliva, serum, cerebral spinal fluid, sweat, and sputum; Medical diagnostic equipment, na...