title: Evidence of decline in perinatal HIV transmission.
mesh_terms: D019380:Anti-HIV Agents / Q000627:therapeutic use*; D002487:Centers for Disease Control and Prevention, U.S.; D015658:HIV Infections / Q000188:drug therapy* / Q000635:transmission*; D006801:Humans; D015994:Incidence; D007231:Infant, Newborn; D018445:Infectious Disease Transmission, Vertical / Q000517:prevention & control*; D014481:United States; D015215:Zidovudine / Q000627:therapeutic use*
chemical_list: D019380:Anti-HIV Agents; D015215:Zidovudine