Table 1. Pairs sampling informations.

Pair ID (IU/IP*)	Mother (M)/Infant (I)	Time points (days after delivery)/DNA (D) or RNA (R)/number of clones								Total sequences
		1	2	3	4	5	6	7	8
0779 (IP)	M	0/D/15								84
	I		124/R/7	224/D/10	278/D/10278/R/10	376/R/9	852/D/4	936/R/10	1034/R/9
0858 (IU)	M	0/D/12								92
	I	0/R/14	128/D/10128/R/4	183/D/10	370/D/10	482/D/7482/R/9	575/D/10	860/D/6
0939 (IP)	M	0/D/6								55
	I		44/R/6	126/D/10	187/D/11	231/D/11	861/D/11
1005 (IU)	M	0/D/230/R/9								101
	I	0/D/10	47/R/17	122/D/10	185/D/10	355/R/11	543/D/11
1021 (IP)	M	0/D/6								56
	I		68/R/6	124/R/10	429/R/9	551/D/5	611/R/10	820/R/10
1110 (IU)	M	0/D/8								29
	I	0/R/10	475/D/11
1224 (IU)	M	0/D/15								65
	I	0/R/11	122/D/11122/R/8	185/D/10	277/D/10
1333 (IP)	M	0/D/11								66
	I		87/D/1187/R/11	115/D/9	185/D/8185/R/10	350/D/6
1391 (IP)	M	0/D/11								74
	I		47/R/10	128/D/9128/R/10	184/D/9	459/R/10	526/D/8	755/D/7

IU: in utero transmission - IP: intrapartum transmission.