alexa Lack of Adequate Surveillance of Biological Threats is a Peril to Global Public Health | OMICS International
ISSN: 2157-2526
Journal of Bioterrorism & Biodefense

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Lack of Adequate Surveillance of Biological Threats is a Peril to Global Public Health

Mingtao Zeng* and Maria T. Arévalo

Department of Biomedical Sciences, Center of Excellence for Infectious Diseases, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, 5001 El Paso Drive, El Paso, Texas 79905, USA

*Corresponding Author:
Mingtao Zeng
Department of Biomedical Sciences
Center of Excellence for Infectious Diseases
Paul L. Foster School of Medicine
Texas Tech University Health Sciences Center
5001 El Paso Drive, El Paso, Texas 79905, USA
Tel: +1 915 7831241 ext 253
Fax: +1 915 7831271
E-mail: [email protected]

Received Date: November 19, 2012; Accepted Date: November 21, 2012; Published Date: November 24, 2012

Citation: Zeng M, Arévalo MT (2012) Lack of Adequate Surveillance of Biological Threats is a Peril to Global Public Health. J Bioterror Biodef S4:e001. doi: 10.4172/2157-2526.S4-e001

Copyright: © 2012 Zeng M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Vigilance is essential if we are to be prepared against biological threats stemming from bioterrorist attacks to emerging infectious diseases. Surveillance can provide valuable information for risk assessment and to make decisions on which pathogens to target with the most attention to development and stockpiling of pre- and postexposure prophylactic vaccines, drugs, or therapies. However, deciding on what probable bioweapon threats and emerging infectious diseases to invest time and resources on poses a challenge, especially during harsh economic times or in poorer regions. Should we thus, attempt to focus on the most plausible threat or the most devastating threat to occur even if it appears to be less probable?

The U.S. Centers for Disease Control and Prevention (CDC) states that an airborne biological agent has the greatest potential to massively spread with an overwhelming impact [1]. Indeed, some of the agents classified as high priority biological threats to national security, or Category A agents can be transmitted through an inhalational route. Category A agents are those that can be easily dispersed or transmitted, have high mortality rates, can cause public panic, and thus require public health preparedness [1]. Category A agents that can be transmitted through inhalational route or can be aerosolized include Bacillus anthracis (anthrax), Yersinia pestis (plague), Variola major (smallpox), Francisella tularensis (tularemia) [2] and filoviruses (viral hemorrhagic fevers) [3]. One can argue that while disease caused by these agents can be devastating, natural exposure to these agents is rare [3]. However, the 2001 anthrax mailings in the U.S. served as a reminder of the looming threat of bioterrorism to cause illness, death, and widespread social and economic turmoil [4]. Furthermore, naturally occurring airborne infectious agents can still emerge and overwhelm us as were the cases during the global outbreaks in 2003 of severe acute respiratory syndrome associated coronavirus (SARS-CoV) and in 2009 of pandemic H1N1 influenza virus. Thus, surveillance for naturally occurring contagions should also be of high priority. Not surprisingly, the World Health Organization (WHO) assures that strengthening the surveillance systems for natural outbreaks is the best approach in preparing for and halting bioterrorist attacks [4].

Lack of vigilance has enabled other naturally occurring diseases to catch us by surprise. One example is that of HIV/AIDS. First identified in the 1980s, the number of new infections did not become stable until 2000, and about 33 million individuals were affected by 2009 [5]. HIV/ AIDS was allowed to rapidly expand throughout the globe for decades before more adequate surveillance, research, and investment caught up to stabilize the number of new infections and provide treatments for those already infected with HIV. In addition, vector-borne diseases, largely ignored after the successful mosquito extermination programs of the 1960s are again contributing to human diseases [4]. Such is the case with emergence and global expansion of flavi viruses, which can be blamed on the current lack of mosquito control, population growth, increased urbanization and globalization, and overall inadequate investment [6].

The point is that at times, a seemingly less important biological threat can actually be more impactful than previously predicted or even observed. Something will always be missed with a minimalistic approach to surveillance. So may be the answer is not to focus all attentions on any one set of contagious biological agents, but to increase local, state, and global cooperation to more effectively use current surveillance efforts, expand upon others when possible, and to develop treatments. Truly global cooperation may seem like a very difficult goal to reach, but the world should not wait until the next pandemic calamity.

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