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Table 1 JEV used in JEV PRNT50 testing

From: Immune response to live-attenuated Japanese encephalitis vaccine (JE-CV) neutralizes Japanese encephalitis virus isolates from South-East Asia and India

JEV Genotype Country of origin Year of origin Virus origin Passage history of virus Accession number
JEV-057434 3 India 2005 Human 2 passages in mosquito cell lines; 3 passages in Vero cells [Genbank:EF623988.1]
JEV-SM1 1 Thailand 2003 Pig 2 passages in mosquito cell lines; 3 passages in Vero cells [Genbank:DQ087971.1]
JEV-902/97 3 Vietnam 1997 Human 1 passage C6/36 cells; 1 passage in suckling mouse; 3 passages in LLC-MK2 cells [Genbank:JQ390453.1]
TVP-8236 1 Korea 1991 Culex tritaeniorhynchus 6 passages in mosquito cell lines; 6 passages in Vero cells Not available
SA14-14-2 3 China 1954 Derived from SA14 isolated in Culex pipiens mosquitoe Passages in mouse brain, PHK cells, mouse spleen, mouse skin, hamster spleen, with multiple intermediate plaque purifications in CEF [24]; 3 passages in Vero cells [Genbank:AF315119.1]
Nakayama 3 Japan 1935 Human 11 passages in suckling mouse; 4 passages in Vero cells [Genbank:EF571853.1]
JE-CV 3 Chimeric Virus, YF 17D with Envelope sequence from SA-14-14-2 [23] 5 passages in Vero cells Not applicable