Table 2. Sources of Salmonella isolates from case and paired control households linked to iNTS and typhoid patients.

HH stands for household, and an index case refers a diagnosed case of invasive Salmonellosis.

	iNTS Index Case Households (HH) (n = 28)						iNTS Control Households (HH) (n = 28)
	Total samples	No. samples with Salmonella	% positive samples	No. HH tested	No. HH with Salmonella	% Positive HH	Total samples	No. samples with Salmonella	% positive samples	No. HH tested	No. HH with Salmonella	% Positive HH
Human Stool	116	9	7.8	28	4	14.3	97	0	0.0	28	0	0.0
Animal stool/swab	27	0	0.0	20	0	0.0	38	0	0.0	17	0	0.0
HH environment	137	0	0.0	28	0	0.0	131	6	4.6	28	3	10.7
Total	280	9	3.2	28.0	4	14.3	266	6	2.3	28	3	10.7
	Typhoid Index Case households (HH) (n = 32)						Typhoid Control households (HH) (n = 32)
Human Stool	157	4	2.5	32	2	6.3	121	3	2.5	32	3	9.4
Animal stool/swab	22	2	9.1	18	2	11.1	23	2	8.7	16	2	12.5
HH environment	168	5	3.0	32	4	12.5	166	12	7.2	32	9	28.1
Total	347	11	3.2	32	7	21.9	310	17	5.5	32	11	34.4