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The time of perinatal human immunodeficiency virus type 1 (HIV-1) transmission and the pattern of early plasma viremia as predictors of disease progression were evaluated in infected infants followed from birth. Cox proportional hazards modeling demonstrated that a 1-log higher HIV-1 RNA copy number at birth was associated with a 40% increase in the relative hazard (RH) of developing CDC class A or B symptoms (P = .004), a 60% increase in developing AIDS (P = .01), and an 80% increase in the of risk death (P = .023) over the follow-up period of up to 8 years. The peak HIV-1 RNA copy number for infants during primary viremia was also predictive of progression to AIDS (RH, 9.9; 95% confidence interval [95% CI], 1.8-54.1; P = .008) and death (RH, 6.9; 95% CI, 1.1-43.8; P = .04). The results indicate that high levels of HIV-1 RNA at birth and during primary viremia are associated with early onset of symptoms and rapid disease progression to AIDS and death in perinatally infected children.

the journal of infectious diseases (online. university of chicago press)/the journal of infectious diseases

Early Prognostic Indicators in Primary Perinatal Human Immunodeficiency Virus Type 1 Infection: Importance of Viral RNA and the Timing of Transmission on Long-Term Outcome