Table 1. Number and B. burgdorferi IgG antibody status of specimens provided by participating laboratories.

Laboratory ID	Laboratory location	B. burgdorferi IgG antibody status
		Positive	Negative	Equivocal / Indeterminate
A	Australia	4	53	0
B	Australia	2	7	9
C	Australia	5	58	14
D	EU country*	100	100	50
E	EU country	56	33	0
F	EU country	57	31	0
G	United States	24	27	9
Blood Service	Australia	0	308	0

* Each of the countries designated “EU country” was part of the European Union as at January 2019.