TABLE 1.

Grouping of results

Group no.	Serum origin	No. of samples with result:			Total no. of:
		Q fever	Negative	Equivocal	Serum samples	Patients
1	Confirmed Q fever patients	13		3	16	16
2	Japanese pneumonia patients		149 pairs	1 pairs, 4 single	304	150
						4
3	Negative samples		26		26	26
Total					346	196