Flow diagram of the study [<b>31</b>].

<p>Flow diagram indicating number of women who assented and children enrolled into the study, randomized to neonatal or infant PCV7 or control groups and number excluded or lost to follow-up in the course of the study. PCV = 7-valent pneumococcal conjugate vaccine; N = Neonatal group; I = Infant group; C = control group; LTFU = lost to follow-up (includes not located, withdrew consent, migration). Numbers (n) are total excluding LTFU and protocol violations.