Ambrosia artemisiifolia (ragweed) in Germany - current presence, allergological relevance and containment procedures

摘要: Ambrosia artemisiifolia (ragweed) is a neophyte in Europe and Germany, which originated from the United States of America. In USA rate sensitization against ragweed equals that grass pollen, without containment allergic sensitizations pollen will clearly increase. Currently, most frequent Germany are followed by house dust mite birch pollen. Ragweed evokes symptoms at about 10 pollen/m3, 15 pollen/m3. These concentrations only reached on limited occasions Germany. cross-reacts with mugwort (Artemisia vulgaris) correct diagnosis feasible specific allergen Amb 1. Due to cross reactivity mugwort, new not needed evoke symptoms. The encounters an already mugwort-sensitized population, extends season may provoke sensitizations. characterized increased tendency also affect lower airways, less Thus needed. seeds imported or spread contaminated bird feed, transport soil (also tyre treads) agricultural products infested areas. bordering positive areas, like Brandenburg Bavaria, especially risk invasion underway. survive up 40 years soil, so extended timescales for eradication observations is, compared other countries France (Rhone-Valley), Italy (Po-Valley), Ukraine Hungary, respect infestation. Conditions therefore favourable ragweed. Switzerland implemented legislation birdseed contamination early during plants expansion, obligatory registration- showed possible. Without counter measures expansion take place, resulting more disease. Considering increasing number individuals, even invasion, should be actively persued. Unfortunately, time running out.