Ragweed is a plant from the Asteraceae family and a major source of pollen allergens in late summer and autumn, especially in the US and Central and Southern Europe. In the US, most Ambrosia species are native, with a prevalence of ~45% in atopic individuals. Sensitization is spreading in Europe where Ambrosia artemisiifolia (short ragweed) was imported through Hungary at the beginning of the last century.1 This article is protected by copyright. All rights reserved.

中文翻译：

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过敏的交叉反应：一把双刃剑

豚草是菊科植物，是夏末和秋季花粉过敏原的主要来源，特别是在美国和中欧和南欧。在美国，大多数豚草属物种都是本地物种，在特应性个体中的患病率约为 45%。敏感度正在欧洲蔓延，上世纪初，豚草（豚草）从匈牙利进口。1 本文受版权保护。版权所有。