All last week I thought I was suffering from seasonal allergies. My throat was sore, I couldn't stop coughing, and my nose was so congested that at times I sounded like a broken squeak toy. But my friends and students informed me that I could be reacting to 黄砂 (yellow sand floating in the air.)
Every year sand is carried in the wind from China to Japan and Korea. It causes allergy-like symptoms in many people. You can read more about it here.
Not much can be done to prevent it; guess I might want to get use to wearing a mask when riding my bike. (;__;)
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