The public health response to disasters in the 21st century: reflections on Hurricane Katrina

Ten years ago, in 1996, the author published a commentary on disasters, the environment, and public health, reviewing progress in the field. Despite many advances, significant events have occurred during the intervening decade, including the September 11, 2001, terrorist attacks and the 2005 Hurricane Katrina disaster. The recent lessons from Hurricane Katrina indicate that public health professionals still need to do more to protect the public in times of national disasters. Since recurring disasters will continue to adversely affect human health, public health providers and others involved with disaster management should again reflect on the importance of this issue and the need for action. Such action includes key public health professionals being present and actively involved in the field before and immediately following disaster impact.     

The role of environmental health in disaster management: an overview and review of barriers and facilitators for action

Environmental health has a significant role to play in all stages of disaster management, from planning through to recovery. The conceptualizetion of the environmental health role by environmental health practitioners and other disciplines involved with disaster management is the focus of this review. To provide context for this discussion, we present an overview of disasters and disaster management and the public health and environmental health impact of disasters. The literature indicates that the role of environmental health in disaster management is not clearly conceptualized, and the following barriers have been identified: the continued emergence of environmental health as a professional discipline, ambiguity about environmental health functions in disasters, limited representation in disaster planning, low visibility profile of the profession, positioning of environmental health within public health, power and politics within agencies that result in a narrow assignment of the environmental health role, and a top-down approach to disaster management. The Australian experience indicates that if environmental health practitioners can overcome such barriers and increase their involvement in disaster management, then this achievement will raise the profile of the profession and renegotiate the environmental health role in disaster management. Ultimately, this success will also improve our capacity to manage disaster situations, and the higher profile, greater recognition, and representation of environmental health that is gained will then be able to flow into normal day-to-day activities.     

Impact of public health emergencies on modern disaster taxonomy, planning, and response

Current disaster taxonomy describes diversity, distinguishing characteristics, and common relations in disaster event classifications. The impact of compromised public health infrastructure and systems on health consequences defines and greatly influences the manner in which disasters are observed, planned for, and managed, especially those that are geographically widespread, population dense, and prolonged. What may first result in direct injuries and death may rapidly change to excess indirect illness and subsequent death as essential public health resources are destroyed, deteriorate, or are systematically denied to vulnerable populations. Public health and public health infrastructure and systems in developed and developing countries must be seen as strategic and security issues that deserve international public health resource monitoring attention from disaster managers, urban planners, the global humanitarian community, World Health Organization authorities, and participating parties to war and conflict. We posit here that disaster frameworks be reformed to emphasize and clarify the relation of public health emergencies and modern disasters.     

Disasters, the environment, and public health: improving our response.

Natural and human-made disasters continue to adversely affect all areas of the world in both predictable and unpredictable ways. To highlight the importance of natural disasters, the United Nations declared the 1990s the International Decade for Natural Disaster Reduction. This paper considers the public health response to disasters. It highlights environmental health issues and approaches since disasters are extreme environmental events, and it reviews developments relating to capacity building, training, and collaboration. Although progress is noted, a comprehensive federal or academic approach is not evident in the United States and the proper linkage to environmental health is lacking. With the International Decade now half over, public health professionals and others involved with disaster management should reflect on progress made to date and goals for the future.     

Preventing disasters: public health vulnerability reduction as a sustainable adaptation to climate change

Global warming could increase the number and severity of extreme weather events. These events are often known to result in public health disasters, but we can lessen the effects of these disasters. By addressing the factors that cause changes in climate, we can mitigate the effects of climate change. By addressing the factors that make society vulnerable to the effects of climate, we can adapt to climate change. To adapt to climate change, a comprehensive approach to disaster risk reduction has been proposed. By reducing human vulnerability to disasters, we can lessen--and at times even prevent--their impact. Human vulnerability is a complex phenomenon that comprises social, economic, health, and cultural factors. Because public health is uniquely placed at the community level, it has the opportunity to lessen human vulnerability to climate-related disasters. At the national and international level, a supportive policy environment can enable local adaptation to disaster events. The purpose of this article is to introduce the basic concept of disaster risk reduction so that it can be applied to preventing and mitigating the negative effects of climate change and to examine the role of community-focused public health as a means for lessening human vulnerability and, as a result, the overall risk of climate-related disasters.     

Risk of chemical disaster as a public health problem

This revision is aimed at providing health care personnel, particularly those who may be involved in planning and/or responding to a chemical accident, with an overview of the subject of major industrial accidents. In the introduction, a brief presentation is made of some data concerning the main industrial disasters which have occurred in the past in addition to some accidents which have occurred in our area that could have evolved into a major accident. A review is also provided of Spanish and European laws currently in effect regarding this matter, in addition to summarizing the main consequences which may result from explosions, phenomena of a thermal type and the leakage of hazardous substances, particularly stressing the third of these three cases. A brief summary is also given of the main steps to be taken for a correct risk analysis in a given geographical area. Lastly, the overall organization of the Chemical Industry Emergency Plans and the functions of the different groups taking part therein, including the main functions of the medical team, is provided. Planning and responding to an industrial disaster is markedly multi-disciplinary endeavor, and this document is aimed at providing health care professionals with an overview of the main aspects involved in order to thus contribute to a more in-depth knowledge of a subject which we consider to be of importance for health care personnel and a better-integrated response, given that were an industrial disaster to occur, we would have to deal with a serious public health care problem on the spot.     

The Role of Public Health Within the United Nations Post-2015 Framework for Disaster Risk Reduction

This article explores the role of public health systems before, during, and after disasters, particularly within the scope of the United Nations Post-2015 Framework for Disaster Risk Reduction. It also examines the role of scientific and technological developments in assisting with improving the resilience of public health professionals and the communities they work in. In addition, it explores how the wide-ranging activities in public health have already contributed to the improved management of disasters and a decrease in associated risks. The article identifies areas of synergy in five key areas of recent policy and practice in public health(the health systems approach, risk assessments, the WHO/UNISDR/HPA Disaster Risk Management fact sheets, chronic disease and disasters, and mental health impacts following disasters) and makes suggestions based on lessons identified from the previous(2005) global disaster risk reduction framework. In particular, we advocate the use of scientific evidence that addresses health and disaster risk simultaneously to increase the effectiveness of policy and practice in disaster risk reduction, health, and public health.     

Health facilities safety in natural disasters: experiences and challenges from South East Europe

The United Nations named 2010 as a year of natural disasters, and launched a worldwide campaign to improve the safety of schools and hospitals from natural disasters. In the region of South East Europe, Croatia and Serbia have suffered the greatest impacts of natural disasters on their communities and health facilities. In this paper the disaster management approaches of the two countries are compared, with a special emphasis on the existing technological and legislative systems for safety and protection of health facilities and people. Strategic measures that should be taken in future to provide better safety for health facilities and populations, based on the best practices and positive experiences in other countries are recommended. Due to the expected consequences of global climate change in the region and the increased different environmental risks both countries need to refine their disaster preparedness strategies. Also, in the South East Europe, the effects of a natural disaster are amplified in the health sector due to its critical medical infrastructure. Therefore, the principles of environmental security should be implemented in public health policies in the described region, along with principles of disaster management through regional collaborations.     

洪涝灾害公众健康防护建议

洪涝灾害是世界范围内最严重的自然灾害之一,对受灾群众造成不可估量的影响。本研究参照我国相关法规、应急手册,结合广泛的文献、资料调研进行综合分析与提炼,并根据流行病学与相关防护证据和专家咨询,分类解析洪涝灾害的环境健康危害因素,从事前预防、事中干预、事后救助的策略角度提出针对公众的多环节、多人群、分阶段的综合防护措施,为推进受洪涝灾害影响的公众健康防护水平、改善公众健康结局提供科学依据。     

Infectious diseases following disasters

Infectious diseases following natural disasters tend to occur as a result of the prolonged secondary effects of the disaster, mostly when there is an interruption of public health measures resulting from destruction of the local infrastructure. This article will review the infectious risks that occur as a result of natural disasters, with a focus on the mechanism of disease spread, infectious diseases after specific disasters, and various evidence-based interventions.     

The potential impacts of climate variability and change on health impacts of extreme weather events in the United States

Extreme weather events such as precipitation extremes and severe storms cause hundreds of deaths and injuries annually in the United States. Climate change may alter the frequency, timing, intensity, and duration of these events. Increases in heavy precipitation have occurred over the past century. Future climate scenarios show likely increases in the frequency of extreme precipitation events, including precipitation during hurricanes, raising the risk of floods. Frequencies of tornadoes and hurricanes cannot reliably be projected. Injury and death are the direct health impacts most often associated with natural disasters. Secondary effects, mediated by changes in ecologic systems and public health infrastructure, also occur. The health impacts of extreme weather events hinge on the vulnerabilities and recovery capacities of the natural environment and the local population. Relevant variables include building codes, warning systems, disaster policies, evacuation plans, and relief efforts. There are many federal, state, and local government agencies and nongovernmental organizations involved in planning for and responding to natural disasters in the United States. Future research on health impacts of extreme weather events should focus on improving climate models to project any trends in regional extreme events and as a result improve public health preparedness and mitigation. Epidemiologic studies of health effects beyond the direct impacts of disaster will provide a more accurate measure of the full health impacts and will assist in planning and resource allocation.     

浅析快速卫生需求评估在救灾防病中的必要性

灾后快速卫生需求评估在整个救灾防病工作中具有重要的意义,是灾后公共卫生应急响应不可残缺的组成部分.及时、迅速地开展灾区快速卫生需求评估,可以在有限的资源下,梳理出轻重缓急,筛选出优先工作顺序,为政府救灾防病提供决策依据,保证救灾资源科学合理的分配、调度,避免反应过度或不足.本文从快速卫生需求评估的概念及特点出发,通过快速卫生需求评估在救灾防病中的应用来阐述快速卫生需求评估的重要性和必要性,同时也对快速卫 生需求评估在灾害医学领域中的应用前景进行了总结和展望.     

A socio-ecological autopsy of the E. coli O157:H7 outbreak in Walkerton, Ontario, Canada

The socio-political context of modern environmental health disasters tends to be defined as being outside the scope of official public health and epidemiological investigations into the causes of such disasters. On the other hand, popular accounts of these disasters tend to focus exclusively on the role of particular individuals and/or political actors, while minimizing the role of ecological factors. It is argued that an exclusive focus on either set of causal factors gives an incomplete or distorted picture of the origins of an environmental health disaster. In this paper, a socio-ecological analysis is developed to demonstrate how the largest outbreak of waterborne E. coli O157:H7 in Canadian history was the emergent product of a complex interplay and intertwining of social and ecological processes. The socio-ecological autopsy approach that is developed here traces the social and ecological chain of events that ultimately led to the outbreak and demonstrates, in particular, the need for investigative analysis to focus on the socio-ecological "incubation" of an environmental health disaster. Drawing from both the social sciences (particularly, the sociology of disasters and organizational sociology), and from the ecological sciences (particularly disease ecology), the analysis developed here responds to the call for the application of a more transdisciplinary approach to the study of contemporary environmental health problems.     

What ails the Bhopal disaster investigations? (And is there a cure?)

A review of the health effects of the 1984 disaster in Bhopal, India, shows continuing morbidity of a multi-systemic nature in the exposed population. Scientific questions about epidemiologic issues are discussed with a view to understanding appropriate methods of investigation into the disaster. Other major chemical incidents were reviewed to note some of the common problems associated with public health investigations of disasters, which have included the lack of accident-related and toxicologic information, expertise, and funds. The complexity of the Bhopal crisis was underscored by the severe mortality and morbidity it entailed as well as its occurrence in a developing nation that had little experience in dealing with chemical disasters. Lessons learned from the disaster are discussed, with recommendations for disaster preparedness, long-term monitoring, rehabilitation, and treatment of the gas victims.     

Dispelling disaster myths about dead bodies and disease: the role of scientific evidence and the media.

For decades, after nearly every natural disaster, fear of disease has encouraged communities, local authorities, and governments to rapidly dispose of the bodies of the victims without first identifying them. In May 2004 this journal published the first-ever review article to comprehensively assess the scientific evidence on the infectious disease risks of dead bodies following natural disasters, along with an editorial commenting on the persistence of myths concerning the dangers allegedly posed by dead bodies. This paper assesses the impact that the review article and the editorial have had on the way that health risks from dead bodies have been reported by the media over the following year, especially focusing on the South Asian tsunami disaster of December 2004. While some media outlets have reported erroneous information, hundreds of other news stories have accurately reported that dead bodies pose no public health risk, and have explained the priority for properly identifying the deceased. Nevertheless, publication of scientific evidence alone is insufficient to bring about public health action. International agencies need to continue their work on producing standards, guidelines, and practical guidance on managing dead bodies. There needs to be a community-centered approach to informing communities about the management of the dead following disasters and the rights of individuals to be treated respectfully after death. Nongovernmental organizations should be encouraged to provide expertise and technical support in identifying and burying large numbers of dead. There also needs to be ongoing assessment of the technical processes involved in the recovery, identification, and disposal of dead bodies, as well as the effectiveness of disaster preparedness plans and communication with the affected population.     

What Ails the Bhopal Disaster Investigations? (And Is There a Cure?)

Abstract

A review of the health effects of the 1984 disaster in Bhopal, India, shows continuing morbidity of a multi-systemic nature in the exposed population. Scientific questions about epidemiologic issues are discussed with a view to understanding appropriate methods of investigation into the disaster. Other major chemical incidents were reviewed to note some of the common problems associated with public health investigations of disasters, which have included the lack of accident-related and toxicologic information, expertise, and funds. The complexity of the Bhopal crisis was underscored by the severe mortality and morbidity it entailed as well as its occurrence in a developing nation that had little experience in dealing with chemical disasters. Lessons learned from the disaster are discussed, with recommendations for disaster preparedness, long-term monitoring, rehabilitation, and treatment of the gas victims.     

Evaluating the utility of emergency department syndromic surveillance for a regional public health service

Communicable disease monitoring and response activities must be based upon local public health surveillance systems, even during infectious disease emergence, natural disasters, and during bioterrorism events. The NSW Department of Health has developed an emergency department surveillance system intended to monitor important public health conditions during mass gatherings and to identify outbreaks of importance. An evaluation of this system conducted in the Hunter New England region of New South Wales emphasised its usefulness when it was focused on a limited number of syndromes of public health importance and during mass gatherings and public health disaster responses.     

Building human resilience: the role of public health preparedness and response as an adaptation to climate change

Global climate change will increase the probability of extreme weather events, including heatwaves, drought, wildfire, cyclones, and heavy precipitation that could cause floods and landslides. Such events create significant public health needs that can exceed local capacity to respond, resulting in excess morbidity or mortality and in the declaration of disasters. Human vulnerability to any disaster is a complex phenomenon with social, economic, health, and cultural dimensions. Vulnerability to natural disasters has two sides: the degree of exposure to dangerous hazards (susceptibility) and the capacity to cope with or recover from disaster consequences (resilience). Vulnerability reduction programs reduce susceptibility and increase resilience. Susceptibility to disasters is reduced largely by prevention and mitigation of emergencies. Emergency preparedness and response and recovery activities--including those that address climate change--increase disaster resilience. Because adaptation must occur at the community level, local public health agencies are uniquely placed to build human resilience to climate-related disasters. This article discusses the role of public health in reducing human vulnerability to climate change within the context of select examples for emergency preparedness and response.     

Evolving need for alternative triage management in public health emergencies: a Hurricane Katrina case study

In many countries, traditional medical planning for disasters developed largely in response to battlefield and multiple casualty incidents, generally involving corporal injuries. The mass evacuation of a metropolitan population in the aftermath of Hurricane Katrina evolved into life-and-death triage scenarios involving thousands of patients with nontraumatic illnesses and special medical needs. Although unprecedented in the United States, triage management needs for this disaster were similar to other large-scale public health emergencies, both natural and human-generated, that occurred globally in the past half-century. The need for alternative triage-management processes similar to the methodologies of other global mass public health emergencies is illustrated through the experience of disaster medical assistance teams in the first 3 days following Katrina's landfall. The immediate establishment of disaster-specific, consensus-based, public health emergency-related triage protocols-developed with ethical and legal expertise and a renewed focus on multidimensional, multifactorial matrix decision-making processes-is strongly recommended.