関連ワード:  is it safe to travel with bronchitis    is it safe to fly with bronchitis    is it ok to travel with bronchitis    is it dangerous to fly with bronchitis    is it safe to fly with bronchiolitis    is it safe to go out with bronchitis    is it safe to go outside with bronchitis    is it safe to fly with acute bronchitis    is it safe to go to work with bronchitis    is it safe to go to school with bronchitis