TY - STAND AU - G. Amirthalingam AU - H. Campbell AU - S. Ribeiro AU - N. Fry AU - M. Ramsay AU - E. Miller AU - N. Andrews BT - Clin Infect Dis DO - 10.1093/cid/ciw559 M1 - suppl 4 PY - 2016 SP - S236 EP - s243 T2 - Clin Infect Dis TI - Sustained Effectiveness of the Maternal Pertussis Immunization Program in England 3 Years Following Introduction VL - 63 SN - 1058-4838 ER -