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First hay fever map of Britain offers some relief to sufferers. Hay fever causes cold-like signs and symptoms, such as a runny nose, itchy eyes, congestion, sneezing and sinus pressure. But unlike a cold, hay fever isn't caused by a virus. Hay fever is caused by an allergic response to outdoor or indoor allergens…

• What is the writer suggesting in the second paragraph?
• How does the writer feel this research would help allergy sufferers?