7月15日至8月31日,2009年全国信息网络安全状况和计算机病毒疫情调查活动开始。本次调查活动由公安部网络安全保卫局主办,各省区市公安厅、局网络安全保卫部门、国家计算机病毒应急处理中心、国家反计算机入侵和防病毒研究中心以及新浪网站承办,国内主要计算机病毒 July 15 to August 31, 2009, the national information network security situation and the investigation of computer virus outbreak began. The survey was organized by the Ministry of Public Security Network Security Bureau, the provincial and municipal Public Security Bureau, Bureau of Network Security Department, the National Computer Virus Emergency Response Center, the National Anti-Computer Intrusion and Anti-virus Research Center and Sina website host, the major computer viruses