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Cumulative total of deaths and HIV infections per 1000 live births to HIV-infected mothers who used perinatal antiretroviral therapy and different infant feeding strategies: no breastfeeding (B0), breastfeeding to 6 months (B6), breastfeeding to 24 months (B24), safer breastfeeding to 6 months (SB6), and safer breastfeeding to 24 months (SB24).
