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Table 1 Antibodies against C. burnetii antigens in 1112 samples from four regions in Chile

From: Absence of convincing evidence of Coxiella burnetii infection in Chile: a cross-sectional serosurvey among healthy adults in four different regions

Study site   ELISA (screening) IFA (confirmation)
(Region/city) Setting N Neg. Indet. Pos. n Neg. Pos.
Arica y Parinacota/Arica Urban 121 118 2 1 3 3 0
Rural 130 129 0 1 1 1 0
Coquimbo/Coquimbo Urban 148 146 1 1 2 2 0
Rural 141 141 0 0 0 0 0
Metropolitan/Puente Alto Urban 146 145 1 0 1 1 0
Rural 144 143 0 1 1 1 0
Araucanía/Angol Urban 140 139 0 1 1 1 0
Rural 142 139 0 3 3 2 1
Total All 1112 1100 4 8 12 11 1
  1. ELISA, enzyme- linked immunosorbent assay, IFA, indirect immunofluorescence assay