Biological mechanisms of vertical human
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Dara A. Lehman; Carey Farquhar
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Article
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2007
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John Wiley and Sons
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English
β 489 KB
## Abstract In the absence of interventions, 30β45% of exposed infants acquire human immunodeficiency virus type 1 (HIVβ1) through motherβtoβchild transmission. It remains unclear why some infants become infected while others do not, despite significant exposure to HIVβ1 __in utero__, during delive