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Studies on the allergens of ragweed pollen.

McGill University
Publication Date
  • Biochemistry.
  • Medicine


Although allergy and immunity may appear, on superficial examination, to be two unrelated phenomena, studies have revealed that the mechanisms of the reactions involved in the manifestations of the immune and allergic states have common features. A brief survey of the fundamental aspects of immunology would therefore appear to be essential prior to a discussion of the mechanisms involved in the allergic reaction. The existence of immunity can be observed in an animal which, having recovered from a bacterial infection, is found to be resistant to a second infection with the pathogenic organism. The serum obtained from such an animal is capable of causing agglutination or lysis of the organism when incubated with it in vitro.

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