TABLE II.

Anti–Toxoplasma gondii serum titers.^*

				Low titer			Moderate titer			High titer
Age (yr)	N	Positive	%	1:25	1:50	1:100	1:200	1:400	1:800	1:1,600	1:3,200	Median (log)
0.5–1†	10	0	0.0	0	0	0	0	0	0	0	0	0
1–4	124	1	0.8	1	0	0	0	0	0	0	0	1:25
5–9	219	6	2.7	0	2	2	0	0	0	0	2	1:200
10–14	124	14	11.3	0	2	0	2	0	1	0	9	1:800
≥15‡	169	46	27.2	3	3	1	4	8	8	4	15	1:800

^*Pooled data from males and females, as no sex-specific differences in seroprevalence or titer were observed (see Table I).

^†All seropositive neonate samples were from seropositive mothers.

^‡Pools data from Kolle and Bamako, as no differences were observed in anti–T. gondii seropositivity (see Table I).