Shabir A. Madhi, Fernando P. Polack, Pedro A. Piedra, Flor M. Muñoz et al.
BACKGROUND: Respiratory syncytial virus (RSV) is the dominant cause of severe lower respiratory tract infection in infants, with the most severe cases concentrated among younger infants. METHODS: Healthy pregnant women, at 28 weeks 0 days through 36 weeks 0 days of gestation, with an expected delive...