TABLE 2.

Detection of MSP1-p19 IgG in experimentally infected New World monkeys^a

Animal	Date collected (day-mo-yr)	Infectionb	IFA titer				MSP1-p19 EIA S/N ratio
			P. falciparum 3D7	P. vivax SalI	P. malariae	P. ovale	P. falciparum	P. vivax	P. ovale	P. malariae
AI 1112	13-12-1995	None	16	<16	16	<16	1.0	1.0	1.0	1.0
	28-12-1995	P. falciparum FVO	≥16,384	256	256	256	26.6	3.2	1.0	1.0
AI 1113	13-12-1995	None	16	<16	16	<16	1.0	1.0	1.0	1.0
	28-12-1995	P. falciparum FVO	≥16,384	1,024	1,024	256	47.6	2.2	1.0	1.0
AI 2009	13-12-1995	None	64	<16	<16	16	1.0	1.0	1.0	1.0
	28-12-1995	P. falciparum FVO	4,096	256	1,024	256	40.8	0.8	1.0	1.0
SI 214	31-10-1997	None	<16	16	<16	<16	1.0	1.0	1.0	1.0
	18-11-1997	P. falciparum FUP	1,024	256	1,024	64	6.8	1.3	1.0	1.0
SI 840	31-10-1997	None	<16	16	<16	<16	1.0	1.0	1.0	1.0
	18-11-1997	P. falciparum FUP	4,096	256	256	256	154.1	1.4	1.0	1.0
SI 927	31-10-1997	None	16	16	<16	<16	1.0	1.0	1.0	1.0
	18-11-1997	P. falciparum FUP	4,096	256	64	64	68.5	1.7	1.0	1.0

^aSamples exhibiting an S/N ratio ≥ 5.00 were considered antibody positive. Infection shown as “None” indicates serum collected prior to infection.

^bP. falciparum FVO, Vietnam-Oak Knoll strain; P. falciparum FUP, Uganda Palo Alto strain.