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Laying the foundation for specific immunotherapy 

Laying the foundation for specific immunotherapy
Chapter:
Laying the foundation for specific immunotherapy
Author(s):

Glenis Scadding

DOI:
10.1093/med/9780199651559.003.0008
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date: 26 June 2019

Hay fever is a form of recurrent catarrh affecting certain individuals in the months of May, June and July. It is caused by a soluble toxin found in the pollen of grasses. The patients present the idiosyncrasy of being sensitive to this toxin, which is innocuous to normal individuals. The idiosyncrasy may be detected at any time of the year by dropping a little of an extract of grass pollen into the eye of the suspected individual; a reaction described more fully below, will be obtained in the case of a hay fever patient, but a normal man will show no effect.

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