BackgroundSocial media (SM) are forms of information and communication technology disseminated through social interaction. SM rely upon peer-to-peer (P2P) networks that are collaborative, decentralized, and community-driven transforming people from content consumers into content producers. The role of SM in disaster management galvanized during the world response to the 2010 Haiti earthquake. (Pew 2010) During the immediate aftermath, much of what people around the world were learning about the earthquake originated from SM sources. (Nielsenwire 2010) During the first 2 weeks following the earthquake, “texting” mobile phone users donated over $25 million to the American Red Cross. (Sysomos 2010) Both public and private response agencies used Google Maps™. Millions joined MySpace™ and Facebook ™discussion groups to share information, donate money, and offer support. SM has also been described as “remarkably well organized, self correcting, accurate and concentrated”, calling into question the ingrained view of unidirectional, official-to-public information broadcasts. (Sutton, et al 2008) SM may also offer potential psychological benefit for vulnerable populations gained through participation as stakeholders in the response. (Sutton, et al 2008) (Laor 2003)DiscussionHowever, widespread use of SM also involves several important challenges for disaster management. Although SM is growing rapidly, it remains less widespread and accessible than traditional media. Also, public officials often view person to person communications as “backchannels” with potential to spread misinformation and rumor. (Akre 2010) In addition, in absence of the normal checks and balances that regulate traditional media, privacy rights violations can occur as people use SM to describe personal events and circumstances. (Palen 2007)

Abstract Objective: Open-source information consists of a range of publicly available material, includingvarious periodicals, news reports, journal publications, photographs, and maps. Although intelligence agencies regularly use open source information in developing strategically important intelligence, the disaster community has yet to evaluate its use for planning or research purposes. This study examines how open-source information, in the form of Internet news reports and public access disaster databases, can be used to develop a rapid, 72-hour case report. Methods: Open-source information was extrapolated from several news reports on a terrorist bombing that occurred in Russia on 05 December 2003, using a self-devised “data” collection sheet, and background information collected on the nature of similar disasters using three public access databases. Results: The bulk of health-related information was collected in the first 13 hours after the event, including casualty demographics, immediate dead, total dead, admitted, and treated-and-released. The complex and prolonged rescue of casualties was identified, as well as the presence of unexploded ordnance. This incident also was identified as the first publicly reported suicide terrorist bombing of a commuter train. Conclusions: Open-source information has the potential to be a helpful tool in reconstructing a chain of events and response. However, its use must be validated further and used appropriately. Standards for collection and analysis also must be developed.

The true threat of bioterrorism remains mysterious and elusive to the common citizen. It principally has become the dominion of a few "experts", many of whom have limited apparent expertise, who have failed to effectively communicate the risks and realities to society, and have instead created an air of uncertainty surrounding the topic. Unlike the great classic deceptions of modern life (e.g., "the check is in the mail"), the misinformation and misperceptions associated with bioterrorism can be dangerous and are not merely humorous. Indeed, it is possible to grasp the facts as well as fallacies associated with bioterrorism, and, as a result, demystify this nightmare scenario and prepare for the "unthinkable".

OBJECTIVE:This article outlines a number of important areas in which public health can contribute to making overall disaster management more effective. This article discusses health effects of some of the more important sudden impact natural disasters and potential future threats (e.g., intentional or deliberately released biologic agents) and outlines the requirements for effective emergency medical and public health response to these events.CONCLUSION:All natural disasters are unique in that each affected region of the world has different social, economic, and health backgrounds. Some similarities exist, however, among the health effects of different natural disasters, which if recognized, can ensure that health and emergency medical relief and limited resources are well managed.

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Recent acts of terrorism have ranged from the dissemination of anthrax spores to intentional contamination of food to the release of chemical weapons to suicide attacks using explosives. The prediction of such events is difficult, if not impossible. The recent attacks that have generated massive numbers of injured and dead may signal the crossing of a new threshold from multi-casualty events to the use of weapons of mass destruction. Consequently, the medical and healthcare infrastructure must be able to prevent and treat illness and injury resulting from such events. Thus, a first step in improving the preparation for and responses to such events must include a sustained commitment to training physicians, nurses, identification specialists, pathologists, and other first responders. The rapid spread of SARS gives reason to believe that the distribution of such agents has potential advantages over the use of other weapons. Investments in the public health and healthcare systems provide the best defense against terrorism.

Over the past decade, acts of terrorism have ranged from dissemination of aerosolized Anthrax spores, intentional food product contamination, release of chemical weapons in major metropolitan subway systems and suicide attacks using explosive devices. Unfortunately, predicting when and how such attacks might occur has proven to be very difficult. Since the bombing attacks at the World Trade Center in New York in 1993 and 2001, the Federal Building in Oklahoma City in 1995, US embassies in Kenya and Tanzania in 1998 and just recently in Saudi Arabia and Morocco, and the release of impressively weaponized anthrax spores in the US Postal System during the autumn of 2001, large-scale terrorist attacks on civilian populations using weapons of mass destruction no longer seem in the realm of the fantastic. At their worst, the New York, Oklahoma City, and Tokyo attacks may represent the crossing of a grim threshold, weakening long-standing taboos and increasing the likelihood of analogous attacks in the future. Preparing the medical community to address these threats is a formidable challenge, but the consequences of being unprepared could be devastating. The medical and healthcare infrastructure must be prepared to both prevent and treat illness and injury that would result from CBRNE terrorism, especially a covert terrorist attack. This article outlines steps for strengthening medical and public health capacity to protect against these dangers that have been taken in the USA. Investments in scientific knowledge, public health and hospital and healthcare systems provide the best defense against terrorism and will improve our ability to successfully respond to other public health threats that will emerge in the twenty first century.

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