title: Millions to be affected by expected rise in pollen count.
abstract: Back to school misery could be compounded for schoolchildren in future as numbers suffering from hay fever caused by ragweed pollen is expected to double in Europe within 35 years.
mesh_terms: D005060:Europe; D005544:Forecasting; D006801:Humans; D011058:Pollen; D006255:Rhinitis, Allergic, Seasonal