… 6 prolong the period of allergic symptoms for many patients. In addition, cross-reactivity of
birch pollen allergens extends to plant food allergens, resulting in the pollen food syndrome (…

… Studies on red oak-pollen allergen (149) and birch-pollen allergen (151,152) … of pollen
grains and quantities of pollen allergen in the atmosphere. In fact, substantial airborne pollen-…

… that birch pollensensitive allergic patients from various European areas differ in their IgE
reactivity profile to individual birch pollen allergens (… The finding that IgE reactivity to birch pollen …

… For birch the typical peaks are recorded in Northern Europe during May, whereas in Southern
Europe the birch pollen … This tendency for springpollinating plants like birch or grasses, to …

… allergenic potency,3 and (c) earlier shifts in airborne tree and grass pollen of breathed air
in Europe, as documented in aerobiological studies.Studies on the period of times with …

… ► We monitored the allergen release from birch pollen at several locations in … that birch
pollen can vary >10-fold in allergen release and that this variation is similar across Europe. …

… southern Europe and high prevalence in northern Europe4; approximately 15% of the
population in northern Europe are sensitized to birch pollen allergens.5 Allergen immunotherapy is…

… In Europe, the birch pollen season varies according to latitude. In Western Europe, the pollen
… to mid-May [6], while the season is shifted 1 to 2 weeks later in Central Europe. In northern …

… exposure times15 of various European geographic regions and yearly changing of pollen
… In the frame of this analysis in three European regions and our recently published report of …

… Our quantitative estimates indicate that ragweed pollen allergy will become a common
health problem across Europe, expanding into areas where it is currently uncommon. Control of …