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Ragweed and allergies

Updated on 06/07/2021

Keywords : Ragweed, Pollens, Allergy, Biological pest control

Between 1 and 3.5 million people in France are believed to be allergic to ragweed. Pollen from ragweed, an invasive plant originally from North America, has a major impact on the quality of life of allergy sufferers, causing sneezing, nasal congestion, conjunctivitis and redness or swelling of the eyelids. According to ANSES, the medical care associated with these allergies may cost between €59 million and €186 million per year.  The Agency is involved in preventing and managing its spread. It makes recommendations to optimise the monitoring of this pollen and raise awareness of its effects on health.

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