Elina O. ErraHelena Hervius AsklingSutee YoksanLars RomboJukka RiuttaSirkka VeneLars LindquistOlli VapalahtiAnu KanteleUniversity of Helsinki Haartman InstituteHelsinki University HospitalKarolinska InstitutetMahidol UniversitySörmland County CouncilMedical Centre AavaSwedish Institute for Communicable Disease ControlDepartment of Veterinary BiosciencesHelsingin Yliopisto2018-10-192018-10-192013-01-15Clinical Infectious Diseases. Vol.56, No.2 (2013), 267-27015376591105848382-s2.0-84871798025https://repository.li.mahidol.ac.th/handle/20.500.14594/32572Current Japanese encephalitis vaccines are derived from strains of genotype III, yet heterologous genotypes are emerging in endemic areas. Inactivated vaccines given to European travelers were found to elicit protective levels of neutralizing antibodies against heterologous strains of genotypes I-IV. © 2012 The Author. Published by Oxford University Press on behalf of the Infectious Diseases Society of America.Mahidol UniversityMedicineArticleSCOPUS10.1093/cid/cis883