Table 2.

Prevalence of HEV antibodies among blood donors**.

Continent	Country	Author, Year of Publication	Sample size(N)	IgM reactive(n)	Prevalence (%)	IgG reactive(n)	Prevalence (%)	Screening kit used for HEV IgM antibody	Screening Kit used for HEV IgG antibody	Ref.
Africa	Burkina Faso	Traore et al., 2016	1497	13	1.9	584	39	Wantai	DiaPro	[38]
Asia	China	Ren et al., 2014	10741	109	1.02	2945	27.4	Wantai	Wantai	[39]
	Nepal	Shrestha et al., 2016	1845	55	2.98	773	41.89	Wantai	Wantai	[40]
	Qatar	Nasrallah et al., 2017	5854	34	0.58	1198	20.5	Wantai	Wantai	[41]
	China	Wang et al., 2017	9069	131	1.44	2682	29.5	Wantai	Wantai	[42]
	China	Wen et al., 2018	5345	38	0.71	1227	22.96	Wantai	Wantai	[43]
	India	Tripathy et al., 2019	2447	5	0.2	433	17.7	Inhouse Prep	Inhouse Prep	[44]
	China	Cheng X et al., 2019	4044	43	1.1	799	19.8	Wantai	Wantai	[45]
	China (H.K)	Tsoi et al., 2020	2000	16	0.08	315	15.8	Wantai	Wantai	[46]
	Saudi Arabia	Alhatlani et al., 2021	1078	-	-	61	5.7	-	Fortress Diagnostics, Antrim, UK	[47]
	China	P. Fu et al., 2021	1864	21	1.13	249	13.36	Inhouse Prep	Inhouse Prep	[48]
Europe	Scotland (UK)	Cleland et al., 2013	1559	0	0	73	4.7	Wantai	Wantai	[49]
	Netherland	Slot et al., 2013	1401	49	3.5	-	-	Wantai	-	[50]
			5239	-	-	1401	26.7	-	Wantai
	Germany	Juhl D et al., 2014	1019	-	-	69	6.8	-	recomline	[51]
	Spain	Sauleda et al., 2015	1082	-	-	216 116	19.96 10.72	-	Wantai &, recomline	[52]
	Austria	Fischer et al., 2015	1203	-		163	13.55	-	Wantai	[53]
	Ireland	O’Riordan et al., 2016	1076	-	-	57	5.3	-	Wantai	[54]
	Scotland (UK)	Thom et al., 2018	1714	-	-	104	6.1	-	Wantai	[55]
	Netherland	Mooij et al., 2018	2100	-		648	31	-	Wantai	[56]
	Poland	Grabarczyk et al., 2018	3079	39	1.27	1340	43.52	Wantai	Wantai	[57]
	Italy	Spada et al., 2018	10011	46	0.4	869	8.7	Wantai	Wantai	[58]
	Switzerland	Niederhauser et al., 2018	3609	-	-	737	20.4	-	Wantai	[59]
	Croatia	Miletic et al., 2019	1036	46	4.44	209	20.17	DiaPro and recomline	DiaPro and recomline	[60]
	Italy	Spada et al., 2022	1816	33	1.8	-	-	Wantai	-	[61]
			7172	-	-	597	8.3	-	Wantai
North America	United States of America	Xu et al., 2013	1939	8	0.4	364	18.8	Wantai	Wantai	[62]
	United States of America	Stramer et al., 2016	4499	26	0.58	329	7.3	MP Diagnostic	MP Diagnostic	[63]
	United States of America	Zafrullah et al., 2018	5040	146	2.9	569	11.29	DSI	DSI	[64]
			5040	93	1.85	537	10.65	MP Diagnostic	MP Diagnostic
			5040	34	0.67	619	12.28	Wantai	Wantai
Oceania	New Zealand	Hewitt J et al., 2018	1013	-	-	98	9.7	-	Wantai and MP Diagnostics	[65]

** The table was prepared inclusively for articles published before 2010 and sample size less than 1000 numbers in order to limit number of reference allotted for the publication, Inhouse prep; Inhouse preparation, DSI; Diagnostic System Incorporated (DSI S.r.l., Milan, Italy), H.K; Hong Kong.