Table 1.

Schedule of visits, samples collected and assays performed.

Visita	2	3	4	5	6	7	8	9	10	11	12	13	15	16	17	18	19	20	21	22	23
Day/month after first challenge	0	2	4	7	14	21	28	30	32	35	42	49	51	53	56	63	70	74	6 months	9 months	12 months
BCG challenge	X						X					X
PAXGeneb	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x	x
Arraysc	X	X	X	X			X	X	X	X		X	X	X	X
CMId	X						X					X						X	X	X	X

^aStudy visit 14 was omitted.

^bSamples of blood taken into PAXGene tubes, RNA extracted and analysis of content and purity performed for these time points.

^cAnalysis of RNA by Illumina microarray performed for these time points.

^dPBMCs separated and in vitro culture for IFNγ secretion in response to antigen stimulation performed for these time points.