Brussels

Friday, 15 February, 2019 - 11:15
Hazel and alder trees are currently blooming and their allergenic pollen is released in case of dry and sunny weather. On Thursday February 14th, 230 alder and hazel pollen grains/m³ air were measured. People who are sensitized to this type of pollen should be careful.

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Useful information:

Some people sensitized to birch pollen may experience allergy symptoms when hazel and alder pollen concentrations are high because of immune cross-reactivity between these allergens.

Sciensano, section of MYCOLOGY-AEROBIOLOGY
J. Wytsmanstreet 14, 1050 Brussels - Phone: 02/642 55 18 - Fax: 02/642 55 19 - E-mail: airallergy@sciensano.be