TABLE III. Distribution of research participants according to qualitative collection results by group and collection time.

Collection time/ Qualitative result	Group
	Eight weeks		12 weeks
	N	%	N	%
Pre 3rd dose
Reagent	175	98,9	315	99,7
Non-reactive	2	1,1	1	0,3
28 days after 3rd dose
Reagent	167	100,0	305	100,0
Non-reactive	0	0,0	0	0,0
Three months after 3rd dose
Reagent	167	100,0	297	100,0
Non-reactive	0	0,0	0	0,0
Six months after 3rd dose
Reagent	173	100,0	310	100,0
Non-reactive	0	0,0	0	0,0
12 months after 3rd dose
Reagent	169	100,0	308	100,0
Non-reactive	0	0,0	0	0,0

Non-reactive: < 50.0 AU/mL; Reagent: ≥ 50.0 AU/mL.