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. 2010 Aug 19;5(8):e12287. doi: 10.1371/journal.pone.0012287

Figure 1. BCG vaccine schedule of study subjects.

Figure 1

Babies were recruited at birth and randomised into either Group 1 (vaccinated at birth) or Group 2 (vaccinated at 4½ months of age) and followed up for 9 months. For all subjects a blood sample was collected at birth (50 mL cord blood), 4½- and 9- months of age (5 mL). A tuberculin skin test (TST) was performed at 4½ and at 20 – 28 months of age. Each child was followed up monthly for 9 months and then again at 20–28 months of age with a TB questionnaire (TBQ) and a general health questionnaire.