関連ワード:  is it illegal to call in sick    is it illegal to call in sick when you are not    is it illegal to call in sick to work    is it illegal to fire someone for calling in sick    is it illegal to not let someone call in sick    is it illegal to get written up for calling in sick    is it illegal to not be able to call in sick    is it illegal to not allow employees to call in sick    is it illegal to contact employees on sick leave    is it illegal to contact someone on sick leave