Immunisation Of Laboratory Animals And Cattle With Non-Agglutinogenic Extracts Of Brucella Abortus Strain 45/20

Abstract
Several extracts prepared by the action of surface active agents on live cells of the rough Br. abortus strain 45/20 were found to protect mice and guinea-pigs against challenge with virulent Br. abortus. Incorporation in oily emulsions made little difference to the degree of immunity elicited.

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