Table 2. Articles included in the systematic review.

	First Author	Published	Location	Survey period	Vaccines	Sources of vaccination data
1	Aaby 20	1998	Guinea-Bissau	1998	MCV	Facility, recall
2	Adedire 21	2016	Nigeria	2013	UTD	HBR, recall
3	Colson 22	2015	Mexico, Nicaragua	2012 - 2013	MCV	HBR, serology
4	Dunem 23	2010	Angola	2005 - 2006	BCG	HBR, recall, scar
5	GAVI FCE 24	Unpublished	Uganda	2015	DTP, PCV	HBR, recall, HBR+recall, serology
6	GAVI FCE 24	Unpublished	Zambia	2015	DTP	HBR+recall, serology
7	Gareaballah 25	1989	Sudan	1998	MCV	HBR, recall
8	George 26	2017	India	2015	DTP	HBR, recall
9	Gong 27	Unpublished	Pakistan	2016	MCV	HBR, HBR+recall, serology
10	Hayford 28	2013 (author provided data)	Bangladesh	2010 - 2011	BCG, DTP, MCV, OPV	Facility, HBR, recall, HBR+recall, serology
11	Jahn 29	2008	Malawi	2002 - 2004	BCG	HBR, scar
12	Langsten 30	1998	Egypt	1990 - 1991	BCG, DTP, MCV	HBR, recall
13	Liu 31	2017	China	2009 - 2015	MCV	Facility, recall
14	Luman 32	2009	N Mariana Islands	2005	UTD	Facility, HBR, recall, HBR+recall
15	Mast 33	2006	Uganda	Not given	DTP, MCV	HBR, recall
16	Murhekar 34	2017	India	2015	BCG, DTP, MCV, UTD	HBR, recall
17	Nanthavong 35	2015	Lao	2013	DTP	HBR, serology
18	Pereira 36	2001	Brazil	Not given	BCG	HBR, recall, scar
19	Ramakrishnan 37	1999	India	Not given	BCG, DTP, MCV, OPV	Facility, recall
20	Ruiz-Gomez 38	2007	Mexico	1999 - 2000	MCV	HBR, serology
21	Selimuzzaman 39	2008	Bangladesh	Not given	MCV	HBR, recall
22	Sinno 40	2009	Lebanon	2003	UTD	Facility, recall
23	Srisaravanapavananthan 41	2008	Sri Lanka	2006	BCG	HBR, scar
24	Tapia 42	2006	Mali	Not given	DTP	HBR+facility, serology
25	Travassos 43	2016	Ethiopia (3 regions)	2013	DTP	Facility, HBR, recall, serology
26	Ullah 44	2000	Bangladesh	Not given	BCG, MCV	Facility, recall
27	Valadez 45	1992	Costa Rica	1987	BCG, DTP, MCV, OPV	HBR, recall