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A 14-year-old girl developed an eruption on her upper arm of pruritic, follicular papules each time she received a vaccination. This was initially thought to be a local reaction to the vaccines. After a similar rash appeared at a venepuncture site, a contact allergy to the alcohol swabs used before the procedures was postulated. A repeated open application test clarified this observation.
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Storer et al. (2004) studied this question.
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