Table 1.

Lineages of Trypanosoma cruzi in northern Chile^*

Location	Coordinates	Distance to human dwellings (km)	Tc I	Tc II	Tc V	Tc VI	ND	No. infected vectors	No. vectors analyzed
Corazones	18°28′47″S, 70°19′27″W	0.080–0.100	2	3	3	1	0	8	77
Vitor	18°45′45″S, 70°20′34″W	45	2	19	2	0	0	19	151
Camarones	19°12′16″S, 70°16′08″W	0.050–0.070	2	4	0	0	3	9	95
Total for ecotope 1			6	26	5	1	3	36	323
Rio Seco	21°00′6″S, 70°9′52″W	0.010–0.030	3	1	3	7	0	12	46
San Marcos	21°6′56″S, 70°7′30″W	0.005–0.010	1	2	1	6	0	8	28
Total for ecotope 2			4	3	4	13	0	20	74

^*ND = not determined.