TABLE 2.

Clustering of genotypes of H. influenzae

Groupa	No. of children	No. of S1b isolates	No. of S1 isolates in clusters	S1 cluster size(s)	No. of S2 isolates	No. of S2 isolates in clusters	S2 cluster size(s)
Control	276	30	2	2	NSb,c
DCC_00	7	4	2	2	1	0
DCC_01	15	7	3	3	3	0
DCC_02	14	3	0		6	2	2
DCC_03	15	7	3	3	8	4	4
DCC_04	19	3	0		3	0
DCC_05	16	8	5	3, 2	6	2	2
DCC_06	24	12	8	4, 2, 2	9	5	3, 2
DCC_07	13	2	2	2	7	4	2, 2
DCC_08	12	7	2	2	5	4	2, 2
DCC_09	12	7	6	3, 3	9	7	5, 2
DCC_10	19	4	2	2	6	0
DCC_11	15	5	0		4	2	2
DCC_12	27	9	0		11	4	2, 2
DCC_13	20	6	2	2	8	7	5, 2
DCC_14	15	8	0		2	2	2
DCC_15	16	5	2	2	8	0
Total DCC	259	97	37		96	43

^aCodes denote individual DCCs.

^bS1, first sample; S2, second sample.

^cNS, not sampled.