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After formalin treatment of sucrose-acetone antigens, prepared from different tick-borne encephalitis (TBE) virus strains, their haemagglutination (HA) activity was preserved or even higher than that of untreated antigens. Formalin-treated TBE antigen was non-infectious and thus may be recommended for routine work to avoid laboratory infections.
After formalin treatment of sucrose-acetone antigens, prepared from different tick-borne encephalitis (TBE) virus strains, their haemagglutination (HA) activity was preserved or even higher than that of untreated antigens. Formalin-treated TBE antigen was non-infectious and thus may be recommended for routine work to avoid laboratory infections.