Nonlinear short-term effects of airborne Poaceae levels on hay fever symptoms

What is it about?

The relationship between hay fever symptoms and Poaceae is not consistently linear and reaches a plateau. At the beginning of the season (0<Poaceae<10 grains/m3), a priming and a pre-priming phenomena are observed, without any threshold.

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Why is it important?

It may be important to begin the symptomatic treatment in hay fever Poaceae sufferers as soon as the pollination season begins (above 1 Poaceae grain), especially for those with perennial sensitization.