Table 1.

Detection and quantitation of C. burnetii DNA on goat farms^a

Farm no.	No. of samples	No. of PCR-positive samples	% positive	Mean no. of GE ± SD	Median no. of GE	No. of associated Q fever cases
1	14	2	14.3	0.79 ± 2.1	0	0
2	14	6	42.9	1.71 ± 3.2	0	0
3	20	19	95	117 ± 295	8	0
4	30	29	96.7	21.6 ± 23.9	11	5
5	64	54	84.4	34,273 ± 194,514	7	7
6	111	56	50.5	7.32 ± 24.5	1	2
7	138	108	78.3	107,491 ± 589,519	27	4

^aGE, genome equivalents; SD, standard deviation.