Is hay fever a national disease of Japan? Spring has come in order from the south of Japan. As spring comes, hay fever also comes here. According to a searching by a specialized medical agency in Tokyo, it is understood that almost half of people have hay fever. Certainly, I think it is close to my feeling. I have hay fever and my son, my mom, quite a lot of my friends and peoples I see on the street ......, I see many people wear their mask properly before the Covid-19 in Japan. For a while, I can’t do anything without mask and Kleenex. We have high quality Kleenex in Japan and when blowing the nose, we don’t get a scratch. I have to go buy Kleenex, of course high quality ones!