TABLE 3.

Results for EQA panel 2

Sample code	Species	No. of CFU/ml	Result for laboratorya:
			1	2	3	4	7	8	9	10	11
B-B1	None		Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg
B-B5	None		Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg
B-B7	None		Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg
B-B11	None		Neg	BP	Neg	Neg	Neg	Neg	Neg	Neg	Neg
B-B2	B. pertussis	3 × 106	BP	BP	BP	BP	BP	BP	BP	BP	BP
B-B6	B. pertussis	3 × 105	BP	BP	BP	BP	BP	BP	BP	BP	BP
B-B13	B. pertussis	3 × 104	BP	BP	BP	BP	BP	BP	BP	BP	BP
B-B12	B. pertussis	3 × 103	BP	BP	BP	BP	BP	BP	BP	BP	BP
B-B8	B. pertussis	3 × 102	BP	BP	BP	BP	BP	BP	BP or BH	BP	BP
B-B3	B. pertussis	3 × 101	Neg	BP	Neg	Neg	BP	BP	Neg	BP	Neg
B-B9	B. parapertussis	2 × 106	BPP	BP	BPP	BPP	BPP	Neg	Neg	Neg	Neg
B-B14	B. parapertussis	2 × 104	BPP	±	BPP	BPP	BPP	Neg	Neg	Neg	Neg
B-B10	B. holmesii	>1 × 106	BP	BP	BP	BP	BP	BP	BP or BH	BP	Neg
B-B4	B. hinzii	>1 × 106	Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg
B-B15	B. bronchiseptica	>1 × 106	Neg/BPb	BP	BP	BP	BP	BP	BP or BH	BP	Neg

^aBP, positive reaction for B. pertussis; BPP, positive reaction for B. parapertussis; BH, positive reaction for B. holmesii; ±, unresolved result for B. pertussis; Neg, negative reaction for B. pertussis and B. parapertussis (when tests for B. parapertussis were conducted).

^bA positive result for B. pertussis was reported by two of four technologists.