2009年5月11日,某中学一墙之隔的化工厂,发生生产性化工气体泄漏,导致该校数百名师生产生一过性有毒气体吸入性反应,260多名学生送至9所医院留院观察。经1周对症处理留观,学生仍自述浑身乏力、头晕、恶心、呕吐,或腹痛、胸闷,甚至喘不过气(其中3名女生出现间歇性情绪失控、哭闹 On May 11, 2009, there was a leak of productive chemical gases at a chemical factory separated by a wall in a middle school. As a result, hundreds of teachers and students in the school developed a toxic gas inhalation reaction and sent over 260 students to nine hospitals Observed. After a week of symptomatic treatment, students still readme exhaustive, dizziness, nausea, vomiting, or abdominal pain, chest tightness, or even breathless (of which three girls intermittent mood out of control, crying