Cross-protective capacity of Japanese encephalitis (JE) vaccines against circulating heterologous JE virus genotypes.

Erra, Elina O; Askling, Helena Hervius; Yoksan, Sutee; Rombo, Lars; Riutta, Jukka; Vene, Sirkka; Lindquist, Lars; Vapalahti, Olli et al. · Clin Infect Dis · 2013

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Abstract

Current 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.

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