Determinations of Levels of Human Immunodeficiency Virus Type 1 RNA in Plasma: Reassessment of Parameters Affecting Assay Outcome

A growing number of adult and pediatric studies have demonstrated that human immunodeficiency virus (HIV) type 1 (HIV-1) RNA levels have importance in determining the risk of both disease progression and the transmission of infection from mother to infant ([3][1], [4][2], [7][3], [9][4], [12][5], [