![]() Yet, studies assesing the impact of invasive species on human health which have been published so far are considered to underestimate the real costs because they are regionally focused, disparate or not grounded in verifiable data 4, 5. ![]() 4 estimated that the health costs exceed US$6.9 billion per year globally. In a recent review of the economic impacts of invasive insects, Bradshaw et al. However, while alien parasites, invertebrates and plants are known to cause public health problems 6, 7, only a few studies have attempted to quantify their impact on human well-being 4, 5, 8. ![]() IAS can have multiple effects on biodiversity and ecosystem services 2 and incur significant economic costs 3, 4, 5. Our conservative calculations indicate that the currently discussed economic costs of IAS underestimate the real costs and thus also the benefits from biological control.Īs a consequence of globalisation, the number of biological invasions has substantially increased over the past decades, and new introductions do not appear to be slowing down 1. artemisiifolia will reduce the number of patients by approximately 2.3 million and the health costs by Euro 1.1 billion per year. Our projections reveal that biological control of A. communa, some 13.5 million persons suffered from Ambrosia-induced allergies in Europe, causing costs of Euro 7.4 billion annually. We find that, prior to the establishment of O. ![]() Here we report the effects of the allergenic plant Ambrosia artemisiifolia on public health in Europe and the potential impact of the accidentally introduced leaf beetle Ophraella communa on the number of patients and healthcare costs. However, quantitative assessments of their impact on human health are rare and the benefits of implementing IAS management likely to be underestimated. ![]() Invasive alien species (IAS) can substantially affect ecosystem services and human well-being. ![]()
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