If you're in a single of these teams and happen to be near anyone with chickenpox, you'll want to see your doctor — even When you have no signs and symptoms.急性脳炎（ウエストナイル脳炎、西部ウマ脳炎、ダニ媒介脳炎、東部ウマ脳炎、日本脳炎、ベネズエラウマ脳炎及びリフトバレー熱を除く）Ch