“…Formolized louping ill virus gave moderate protection against infection with louping ill and considerably less against the Russian virus. 4. …”
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“…Irrespective of the mode of procedure for revealing neutralizing bodies, there does not appear to be any notable difference in the content of such bodies in the serum of animals immunized with active virus or with formolized vaccine in which active virus could not be demonstrated. …”
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“…On the other hand, suspensions of formolized washed virus are effective in normal guinea pigs in stimulating both anti-soluble substance antibodies and protective substances, and in inducing immunity to infection.…”
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“…Upon the establishment of these facts, the estimation of the quantity of antigen in the glands of vaccinated animals was employed as an index of their resistance in studies on the effect of the injection of formolized and alumprecipitated formolized suspensions of infected parotid gland. …”
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“…Humoral antibodies and a certain degree of resistance to infection with vaccinia, probably not enduring, are produced in rabbits by the repeated injections of inactive formolized (0.3 per cent) elementary bodies of vaccinia and virus-free filtrates of dermal vaccine virus. …”
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