Mayer, V The serological response and long-lasting resistance against infection with louping-ill virus in sheep immunized with a highly attenuated tick-borne encephalitis virus. [electronic resource] - The Journal of hygiene Dec 1969 - 731-8 p. digital Publication Type: Journal Article ISSN: 0022-1724 Standard No.: 10.1017/s0022172400042170 doi Subjects--Topical Terms: AnimalsAntibodies--analysisAntibody FormationEncephalitis Viruses, Tick-BorneEncephalitis, Tick-Borne--veterinaryHaplorhiniMiceNeutralization TestsSheepSheep Diseases--prevention & controlViral VaccinesVirulenceVirus Cultivation