Table 1.

Descriptive characteristics of included studies

						Outcome
S/N	Author	Country	Year of Publication	Study Design	Seroprevalence	Sporadic infection	Outbreak investigation	Genotype study	Ref
1	Nouhin et al.,	Cambodia	2015	Co-S	Yes	Yes	No	No	[61]
2	Yamada et al.,	Cambodia	2015	Cr-S	Yes	No	No	Yes	[62]
3	Nouhin et al.,	Cambodia	2016	Pr-S	Yes	No	No	Yes	[63]
4	Nouhin et al.,	Cambodia	2019	Ep-S	Yes	No	No	No	[57]
5	Sedyaningsih-Mamahit et al.,	Indonesia	2002	Ot-I	No	Yes	Yes	No	[64]
6	Corwin et al.,	Indonesia	1995	Cr-S	Yes	No	No	No	[48]
7	Surya et al.,	Indonesia	2005	Se-S	Yes	No	No	No	[24]
8	Utsumi et al.,	Indonesia	2011	Pr-S	Yes	No	No	No	[25]
9	Wibawa et al.,	Indonesia	2004	Pr-S	Yes	No	No	No	[26]
10	Wibawa et al.,	Indonesia	2007	Pr-S	Yes	Yes	No	Yes	[27]
11	Widasari et al.,	Indonesia	2013	Pr-S	Yes	No	No	No	[71]
12	Achwan et al.,	Indonesia	2007	Pr-S	Yes	No	No	No	[28]
13	Khounvisith et al.,	Lao PDR	2018	Cr-S	Yes	No	No	No	[29]
14	Tritz et al.,	Lao PDR	2018	Ser-S	Yes	No	No	No	[30]
15	Holt et al.,	Lao PDR	2016	Cr-S	Yes	No	No	No	[49]
16	Ng et al.,	Malaysia	2000	Ser-S	Yes	No	No	No	[31]
17	Seow et al.,	Malaysia	1999	Pr-S	Yes	No	No	No	[50]
18	Hudu et al.,	Malaysia	2018	Mo-Ep	Yes	No	No	Yes	[32]
19	Uchida et al.,	Myanmar	1993	Ep-S	No	No	Yes	No	[70]
20	Gloriana-Barzaga et al.,	Philippines	1997	Ca-S	No	Yes	No	No	[33]
21	Chow et al.,	Singapore	1996	Ser-S	Yes	No	No	No	[60]
22	Wong et al.,	Singapore	2019	Sp-S	Yes	Yes	No	Yes	[58]
23	Hinjoy et al.,	Thailand	2013	Cr-S	Yes	No	No	No	[34]
24	Sa-nguanmoo et al.,	Thailand	2015	Cr-S	Yes	No	No	No	[35]
25	Poovorawan et al.,	Thailand	1996	Pr-S	Yes	Yes	No	No	[36]
26	Siripanyaphinyo et al.,	Thailand	2014	Ca-S	Yes	Yes	No	Yes	[37]
27	Pilakasiri et al.,	Thailand	2009	Sr-S	Yes	No	No	No	[38]
28	Jupattanasin et al.,	Thailand	2019	Sr-S	Yes	No	No	No	[39]
29	Gonwong et al.,	Thailand	2014	Ser-S	Yes	No	No	No	[40]
30	Tran et al.,	Vietnam	2003	Mo-Ep	Yes	No	No	No	[41]
31	Hau et al.,	Vietnam	1999	Cr-S	Yes	No	No	No	[42]
32	Hoan et al.,	Vietnam	2019	Cr-S	Yes	No	No	No	[43]
33	Hoan et al.,	Vietnam	2015	Cr-S	Yes	No	No	Yes	[44]
34	Berto et al.,	Vietnam	2018	Co-S	Yes	No	No	No	[45]
35	Corwin et al.,	Vietnam	1996	Cs-C	Yes	Yes	No	No	[46]