Hay fever season has arrived in Japan, presenting sufferers with an added challenge amid the coronavirus pandemic as rubbing itchy eyes and wiping runny noses may increase the risk of viral infection, while opening doors and windows to improve ventilation could add to the amount of pollen coming indoors.As of Sunday, the cedar pollen season had started in 34 of Japan's 47 prefectures stretching from the Kyushu region in the southwest to the Tokyo metropolitan area, triggered by a rise in temperatures, according to Weathernews Inc.The allergy-causing pollen is expected to begin dispersing in…READ FULL ARTICLE