text_1: Healthcare delivery efficiency in crowded delivery centers is impaired by improving structural, logistical, and interpersonal elements.
text_2: We estimate that 25.7 (95% CI 25.5, 26.0) million adults and 1.57 (95% CI 1.55, 1.60) million children could receive ART by 2020 if countries maintain current eligibility plans and increase coverage based on historical rates, which may be ambitious.