TABLE II. Summary of plaque reduction neutralisation test (PRNT) titres and selected flavivirus infection enhancement by convalescent dengue virus (DENV)- and Zica virus (ZIKV)-infected samples.

	Sample ID	ZIKV		DENV1	DENV2	DENV3	DENV4	YFV		WNV		ILHV		SLEV		ROCV
ZIKV IgG+		PRNT		PRNT	PRNT	PRNT	PRNT	PRNT	ADE	PRNT	ADE	PRNT	ADE	PRNT	ADE	PRNT	ADE
	P01	2560		<20	<20	<20	<20	<20	1.61	<20	2.00	<20	2.33	<20	2.61	<20	3.20
	P05	12980		<20	<20	<20	<20	20	1.12	138	1.33	20	1.81	<20	2.26	<20	1.47
	P11	634		<20	<20	<20	<20	<20	1.19	<20	1.60	<20	1.59	<20	1.50	<20	1.69
	P13	1575		<20	<20	<20	<20	<20	0.67	20	1.47	<20	3.03	<20	2.78	<20	0.81
	P41	343		<20	<20	<20	<20	<20	1.32	<20	1.82	<20	3.95	<20	4.19	<20	3.53
	P03	2560		<20	<20	320	80	<20	1.21	<20	2.36	<20	2.90	<20	3.64	<20	4.65
	P15	1280		<20	<20	80	320	<20	1.38	<20	2.36	20	3.82	<20	3.98	20	3.84
	P67	3729		63	67	340	2192	20	1.09	49	0.95	20	1.07	<20	1.44	20	2.25
	P69	536		<20	<20	570	117	<20	0.76	20	1.03	<20	2.42	<20	2.14	<20	1.90
	P71	232		<20	<20	76	215	<20	0.97	<20	0.73	20	2.97	20	2.77	<20	2.58
ZIKV/DENV IgG-	P132	<20	1.75	<20	<20	<20	<20	151	1.21	20	1.54	320	1.45	<20	1.79	<20	3.89
DENV IgG+	P02	<20	3.31	<20	5120	<20	<20	<20	1.30	<20	1.60	<20	1.50	<20	2.10	<20	0.90
	P322	320	0.75	5120	<20	<20	<20	20	1.32	<20	2.84	<20	0.91	<20	1.08	<20	2.02
	P481	<20	5.38	1280	5120	1280	<20	<20	1.73	<20	1.90	<20	5.21	20	4.82	<20	4.06
	P491	<20	3.00	320	40	>2560	<20	261	1.30	252	2.57	<20	2.03	<20	2.38	<20	2.59
	P306	<20	1.75	640	160	>2560	<20	1006	1.12	<20	1.63	<20	2.02	<20	3.09	<20	4.90
	P122	320	1.00	280	5120	80	5120	20	1.20	<20	1.17	<20	1.21	<20	1.80	<20	1.71
	P156	5120	0.38	320	320	80	1280	<20	1.42	<20	1.92	<20	1.16	1007	1.28	<20	0.06
	P234	5120	0.38	<20	1280	1280	5120	<20	1.08	<20	0.87	1280	0.73	1280	1.91	<20	1.11

ADE: antibody dependent enhancement; IgG: immunoglobulin G; ILHV: Ilheus virus; ROCV: Rocio virus; SLEV: Saint Louis encephalitis virus; WNV: West Nile virus; YFV: yellow fever virus.