TABLE 6.

Reactivities of serial serum specimens collected from early Lyme disease patients (study group I) positive by HGE serology

Patient	State of residence	No. of days posttreatmenta	IgM			IgG
			IFA resultb	EIA resultc	WB	IFA result	EIA result	WB
I-1	Minn.	0	80	2.5	+	<80	1.4	+
		8	160	2.6	+	<80	1.4	+
		20	160	2.0	+	80	2.1	+
		30	160	1.2	+	160	2.9	+
		180	<80	0.9	−	80	1.6	+
I-2	Minn.	0	<80	0.9	−	640	2.7	+
		20	<80	0.9	−	320	2.4	+
I-3	Conn.	0	2,560	3.4	+	2,560	3.1	+
		8	1,280	3.0	+	1,280	3.0	+
		20	1,280	2.4	+	1,280	4.5	+
		30	640	1.6	+	640	4.0	+
I-4	Conn.	0	640	4.8	+	160	0.7	+
		8	640	4.5	+	160	1.1	+
		20	320	4.3	+	320	1.7	+
		30	160	4.5	+	320	3.1	+
		60	<80	2.4	+	320	3.8	+
		180	<80	2.1	+	320	4.2	+
I-5	N.Y.	0	160	1.0	−	320	3.1	+
		8	160	1.1	−	160	3.4	+
		20	160	0.8	−	320	2.9	+
		30	160	0.9	−	160	3.5	+
		60	80	1.3	−	80	2.8	+
		180	80	1.0	−	80	2.5	+
I-6	N.Y.	0	NDd	2.9	+	ND	2.7	+
		8	ND	2.8	+	ND	2.9	+
		20	ND	2.3	+	ND	3.3	+

^aNumber of days following the initiation of treatment for Lyme disease. 

^bResults are inverse dilution of titer. 

^cResults are a ratio. 

^dND, not determined.