Table 3.

Titers for antibodies (IgG) to R. conorii and R. typhi.

Groups	Titer 1/128	Titer 1/256	Titer 1/512	Titer 1/1024	Titer 1/2048
Patient with Ab-R. conorii	6 (4.2%)	5 (3.5%)	5 (3.5%)	-	-
Patient with Ab-R. typhi	3 (2.1%)	4 (2.8%)	2 (1.2%)	-	1 (0.7%)
Control population with Ab-R. conorii	3 (2.1%)	-	4 (2.8%)	-	-
Control population with Ab-R. typhi	2 (1.2%)	1 (0.7%)	1 (0.7%)	-	-