TY - CONF T1 - Effect of hepatavalent conjugate pneumococcal vaccine in infancy and booster polysaccharide vaccine at 13 months on nasopharyngeal carriage of S-pneumoniae in children aged 2 to 4 years JO - CLIN INFECT DIS PY - 2001/10/01 AU - Murdoch C AU - Lakshman R AU - Burkinshaw R AU - Shaw L AU - Finn A ED - VL - 33 IS - 7 SP - 1148 EP - 1148 Y2 - 2024/12/26 ER -