Table 1.

JE Virus Strains Used in the PRNT₅₀ Test

JE Virus	Genotype	Country of Origin	Year of Origin	Virus Origin	Passage History of Virus	Accession No.
TVP-8236	I	Korea	1991	Culex tritaeniorhynchus	6 passages in mosquito cell lines; 6 passages in Vero cells	Not available
JEV-SM1	I	Thailand	2003	Pig	2 passages in mosquito cell lines; 3 passages in Vero cells	GenBank: DQ087971.1
B1034/8	II	Thailand	1983	Pig	2 passages in mosquito cell lines; 4 passages in Vero cells	GenBank: D00997.1
Beijing	III	China	1949	Human	5 passages in Vero cells	GenBank: L48961
JEV-902/97	III	Vietnam	1997	Human	1 passage C6/36 cells; 1 passage in suckling mouse; 3 passages in LLC-MK2 cells	GenBank: JQ390453.1
JEV-057434	III	India	2005	Human	2 passages in mosquito cell lines; 3 passages in Vero cells	GenBank: EF623988.1
JKT 9092/TVP-6265	IV	Indonesia	1981	Culex vishnui mosquitoes	1 passage in mosquito cell lines; 4 passages in Vero cells	GenBank: U70409
JE-CV	III	Chimeric virus, YF 17D with envelope sequence from SA14-14-2 [21]			5 passages on Vero cells	Not applicable

Abbreviations: JE, Japanese encephalitis; PRNT₅₀, 50% plaque reduction neutralization test.