TABLE 4.

Distribution of unique PFGE genotypes as defined by digestion with SmaI (genotypes S1 to S11) or EagI (genotypes E12 to E15) restriction enzyme over time in carrier B

Day	No. of isolates identified with genotypea:
	S1b	S2	S3	S4	S5	S6	S7	S8	S9	S10	S11	E12c	E13	E14	E15
1				3
2											4
3											3
4				6
7											5
8			3	5
9				9										2
10		1		7
11				10										1
15				8			1
16				2
17				5				1
18			1	18
21				1
22	3	1			1
23				5											2
24													13		2
25													6
28													11
59												7	2
67												4	9
72					1							8	2
88												2
102												4
114												6
123					1	2				1		4
129				1	1	3			2	1
135									2
143									2

^aAll isolates were confirmed to be NTHI.

^bS genotypes based on digestion of genomic DNA with SmaI.

^cE genotypes based on failure to be digested with SmaI and successful digestion with EagI.