Table 1.

Cases with C. burnetii infection

Case no.	Age (yr)	Location	Day of sampling*	History, symptoms	Inpatient or outpatient	CRP (mg/l)	WBC (/μl)	Co-infection	Antibiotics
1	59	Ulm	1	COPD, dyspnoea, pleurodynia	Inpatient	18·2	13 500	None	Aminopenicillin + β-lactamase inhibitor i.v.
2	44	Ulm	7	Cough, dyspnoea	Outpatient	5·6	7200	M. pneumoniae†	Levofloxacin
3	60	Berlin	1	Cough, pleurodynia	Inpatient	352	24 400	None	Azithromycin + third-generation cephalosporin
4	77	Berlin	8	COPD, dyspnoea	Inpatient	216·6	33 230	S. pneumoniae‡	Aminopenicillin + β-lactamase inhibitor i.v.
5	31	Ulm	4	Cough	Inpatient	175·3	6300	None	Aminopenicillin + β-lactamase inhibitor i.v.
6	20	Ulm	5	Cough, dyspnoea	Outpatient	22·9	7000	M. pneumoniae§	Ketolides
7	39	Berlin	7	Cough, dyspnoea	Outpatient	33·9	7500	None	Clarithromycin
8	47	Berlin	2	COPD, dyspnoea, pleurodynia	Outpatient	205	9200	None	Moxifloxacin
9	44	Berlin	2	Cough, dyspnoea, pleurodynia	Inpatient	267·9	5570	None	Aminopenicillin + β-lactamase inhibitor i.v. + clarithromycin

CRP, C-reactive protein; WBC, white blood cell count; COPD, chronic obstructive pulmonary disease.

^*Duration between onset of clinical symptoms and collection of specimen.

^†Detected by PCR in respiratory sample.

^‡106 c.f.u./ml in respiratory sample.

^§IgM detection by ELISA and immunoblot.