McElborough D
Department of Microbiology and Infectious Diseases, Royal Sussex County Hospital, Eastern Road, Brighton BN2 5BE.
Commun Dis Public Health. 2004 Dec;7(4):312-4.
The combined assays for HIV p24 antigen and antibody (4th generation) have had a mixed reception in testing laboratories. A series of five cases detectable only by 4th generation assays or RNA viral load and negative in a variety of 3rd generation assays has prompted us to change our 'routine' screen to a combined assay.