Table 3.

Growth of C. burnetii Strains in ACCM-2

Strain	Sequence type	Origin	Plasmid	Mean fold change (95% CI)
HHV-WA1	1–7/30	Human heart valve	QpRS	0.55 (0.23, 1.29)
Arandale	1–7/30	Human acute Q fever	QpRS	0.23 (0.07, 0.74)
Q177	8	Goat	QpRS	0.51 (0.37, 0.70)
GP-WA1	8	Goat placenta	QpRS	0.32 (0.18, 0.57)
ES-CA1	8	Goat farm	QpRS	0.35 (0.09, 1.32)
GS-MT1	8	Goat vaginal swab	QpRS	0.45 (0.08, 2.44)
GP-AF1	9–10/27–28/31	Goat placenta	QpRS	0.63 (0.49, 0.80)
Dugway 7D 77–80	DG	Utah rodent	QpDG	103.49 (29.12, 367.78)
Mauriet	11–15/24/32–34	Human	QpH1	6.46 (5.22, 8.00)
ES-VA1	16/26	Animal hospital	QpH1	15.36 (6.65, 35.46)
Cypriot	16/26	Cyprus	QpH1	220.78 (181.93, 267.93)
CM-SC1	20	Cow milk	QpH1	76.50 (36.53, 160.19)
ES-FL1	20	Cow dairy soil	QpH1	275.75 (112.20, 677.69)
McMaster	21	Human placenta	none	76.33 (25.74, 226.33)
Florian	22–23/29	Human acute Q fever	QpH1	222.98 (130.65, 380.56)

ACCM, acidified citrate cysteine medium; CI, confidence interval.