How does the pathophysiology differ between vertically transmitted HIV infection and HIV acquired via blood transfusion?

Updated: Mar 05, 2020
  • Author: Delia M Rivera, MD; Chief Editor: Russell W Steele, MD  more...
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Envelope-specific cytotoxic T-lymphocytes are less common in children who vertically acquire the disease than in children who acquire HIV by means of blood transfusion. Among those with vertically acquired disease, such lymphocytes are least common in those with rapidly progressing disease. Precursors of cytotoxic T-lymphocyte that are specific to HIV type 1 (HIV-1) do not develop in significant number until the child is aged 1 year.

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