Tick-borne encephalitis (TBE) virus infection elicits a life-long lasting protection. However, little is known about the neutralizing antibodies titres following natural infection. In this study, subjects with past TBE disease (n = 62) were analysed for the presence and titre of anti-TBE neutralizing antibodies, and compared with a vaccinated cohort (n = 101). Neutralizing antibody titres were higher in individuals with past TBE and did not show an age-dependent decrease when compared with vaccinees.
Keywords: TBEV; immunity; natural infection; plaque reduction neutralization test; vaccine.
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