The TLR3 rs5743305 T/A polymorphism has been studied in relation to various viral infections, including HBV (Fischer et al., 2018), hepatitis C virus (HCV) (Askar et al., 2009), and tick-borne encephalitis (Grygorczuk et al., 2017). This evidence concerns the gene TLR3 and tick-borne encephalitis.