scholarly journals Clinical and epidemiological investigation of a fatal anthrax case in China

2015 ◽  
Vol 9 (02) ◽  
pp. 214-217 ◽  
Author(s):  
Haiying Chen ◽  
Wanguo Bao ◽  
Yang Wang ◽  
Kaiyu Zhang ◽  
Feng Wang

Anthrax is a recessive infectious disease caused by the bacterium Bacillus anthracis, and is primarily a zoonotic disease. Until recently, Bacillus anthracis infections were relatively infrequent and confined to agrarian communities in underdeveloped countries. No anthrax cases were reported in Changchun City in the past few decades until a male patient from the Inner Mongolia Autonomous Region presented the anthrax disease manifestation. This paper describes an anthrax patient’s diagnosis, isolation and treatment which involved institutions in two different Chinese provinces; the foci epidemiological investigation alongside with the outbreak management process, which is of great significance to control the spread of the recessive infection is also described.

2020 ◽  
Vol 8 (2) ◽  
pp. 298
Author(s):  
Peter Braun ◽  
Mandy Knüpfer ◽  
Markus Antwerpen ◽  
Dagmar Triebel ◽  
Gregor Grass

The bacterium Bacillus anthracis is the causative agent of the zoonotic disease anthrax. While genomics of extant B. anthracis isolates established in-depth phylogenomic relationships, there is scarce information on the historic genomics of the pathogen. Here, we characterized the oldest documented B. anthracis specimen. The inactive 142-year-old material originated from a bovine diseased in Chemnitz (Germany) in 1878 and is contemporary with the seminal studies of Robert Koch on B. anthracis. A specifically developed isolation method yielded high-quality DNA from this specimen for genomic sequencing. The bacterial chromosome featuring 242 unique base-characters placed it into a major phylogenetic clade of B. anthracis (B.Branch CNEVA), which is typical for central Europe today. Our results support the notion that the CNEVA-clade represents part of the indigenous genetic lineage of B. anthracis in this part of Europe. This work emphasizes the value of historic specimens as precious resources for reconstructing the past phylogeny of the anthrax pathogen.


2021 ◽  
pp. 205789112110192
Author(s):  
Peng Lin

Engaging in disaster relief and, more recently, post-disaster reconstruction in developing countries with critical geoeconomic and geopolitical interests has become an increasingly regular and institutionalized component of China’s evolving humanitarian diplomacy over the past decade. Drawn upon novel evidence from China’s growing disaster-related humanitarian assistance to Nepal and unprecedented engagement in Nepal’s long-term post-earthquake rebuild since 2015, this article explores the dynamics behind China’s transforming humanitarian diplomacy. The findings of this article suggest that: 1) geopolitical and geoeconomic interests, represented by the Belt-and-Road Initiative, serve as a critical driver for the development of China’s bilateral partnership with other countries in the disaster sector; 2) long-term cooperation with underdeveloped countries like Nepal provides China, both government and non-state actors (NSAs), with an effective channel to engage with the international humanitarian community and to internalize humanitarian norms; 3) although humanitarian missions remain contingent and instrumental in China’s international relations, they are laying the foundations for a specialized humanitarian policy area with more relevant normative assets, more professional actors, and more sophisticated institutions; 4) NSAs, represented by private foundations and civil NGOs, have played active roles in the state-dominant cooperation in disaster management. This article also suggests that intensified geopolitical confrontations, such as military clashes between India and China along their disputed borders over the past year, would lead to a high degree of politicization of humanitarian missions and partnerships counter-conducive to humanitarian goals.


2021 ◽  
Author(s):  
Eram Abbasi ◽  
Imran Amin ◽  
Shama Siddiqui

Abstract Various aspects of innovation management have been discussed in literature over the past few decades. Most of the innovation management frameworks have been formulated by undertaking studies in the developed world and lack the industry / culture specific focus. In this paper we revisit the generic innovation management studies to develop an innovation management framework for highlighting the factors affecting innovation specifically at the ICT sector of Pakistan. A detailed literature review has been conducted to identify the factors included in the past innovation management models. To identify the factors specific for Pakistan, senior level professionals, working at the Pakistani ICT organizations were interviewed. A comparative analysis of the innovation management frameworks for Pakistan against those previously found in literature revealed interesting similarities and differences. Based on the study findings, an innovation management framework is developed that highlights the present factors which are important for innovation in the ICT sector for Pakistan. This framework can be used by Pakistan and other underdeveloped countries for improving their innovation in ICT sectors in particular and other sectors in general.


1961 ◽  
Vol 21 (1) ◽  
pp. 33-48
Author(s):  
Feng-Hwa Mah

For underdeveloped countries bent on accelerating their economic development, there are two alternatives: one is a mixed economy compatible with democracy, the other is planned development under totalitarianism. What has been happening in Communist China during the past few years is a striking example of the latter case, and its degree of success will undoubtedly have far-reaching influences on other economically backward countries desiring rapid economic development. Since rapid economic development is unattainable without substantial investment, the sources of investment funds are of crucial importance in the whole development program. The purpose of this paper is to explore how public investment was financed in Communist China, and to estimate which population groups bore the burden of such financing.


1964 ◽  
Vol 28 ◽  
pp. 24-48
Author(s):  
A. Maizels ◽  
L. F. Campbell-Boross ◽  
P. B. W. Rayment

The United Nations' Conference on Trade and Development now in session in Geneva is concerned essentially with the evolution of new policies for international trade which would assist the under-developed countries to expand substantially their current level of earnings from exports. The purpose of the present article is not to discuss the many alternative proposals which have been put forward at Geneva, but rather to examine the facts behind the slow growth in the export earnings of the underdeveloped countries over the past decade or so.


Author(s):  
John Weaver ◽  
Tae Jin Kang ◽  
Kimberly Raines ◽  
Guan-Liang Cao ◽  
Stephen Hibbs ◽  
...  

The ability of the endospore-forming, gram-positive bacterium Bacillus anthracis to survive exposure to antibacterial killing mechanisms by activated macrophages is key to its germination and survival. These antibacterial killing mechanisms include, but are not limited to the generation of free radicals such as nitric oxide (•NO) and superoxide (O2•−) from the upregulation of inducible nitric oxide synthase (NOS 2) along with products derived from them, e.g., peroxynitrite (ONOO−), as part of microbicidal activity. However questions still remain as to how these species are involved in microbial killing, specifically with respect to B. anthracis. In a previous study, we demonstrated that exposure of primary murine macrophages to sonicated B. anthracis endospores up-regulated NOS 2 and demonstrated a •NO-dependent bactericidal response, but unanswered in that study was which of the NOS 2-derived reactive oxygen species was responsible for the observed bactericidal response. Since NOS 2 also generates O2•−, experiments were designed to determine whether NOS 2 formed ONOO− from the reaction of •NO with O2•− and if so, was ONOO− microbicidal toward B. anthracis.


Author(s):  
Les Baillie ◽  
Theresa Huwar

Anthrax is caused by the bacterium Bacillus anthracis, a Gram-positive aerobic spore-forming bacillus, primarily infecting herbivores. Although rare in the developed world the organism remains a threat to livestock in African and Asian countries where control depends on appropriate animal husbandry approaches such as vaccination and disposal/decontamination of carcasses. Animals are thought to contract anthrax by ingesting spores from contaminated soil while humans become infected via contact with diseased animals, their products or as a consequence of acts of bio-terrorism such as occurred in 2001. This unprecedented act has stimulated a burst of research, shedding new light on the biology of the organism and its ability to cause disease. It is to be hoped that this renewed interest will see anthrax once more regain the status of an exotic disease of antiquity.


2020 ◽  
Vol 17 (5) ◽  
pp. 414-421
Author(s):  
Na Young Kim ◽  
Won Rak Son ◽  
Jun Young Choi ◽  
Chi Ho Yu ◽  
Gyeung Haeng Hur ◽  
...  

Purpose: Anthrax is a lethal bacterial disease caused by gram-positive bacterium Bacillus anthracis and vaccination is a desirable method to prevent anthrax infections. In the present study, DNA vaccine encoding a protective antigen of Bacillus anthracis was prepared and we investigated the influence of DNA electrotransfer in the skin on the induced immune response and biodistribution. Methods and Results: The tdTomato reporter gene for the whole animal in vivo imaging was used to assess gene transfer efficiency into the skin as a function of electrical parameters. Compared to that with 25 V, the transgene expression of red fluorescent protein increased significantly when a voltage of 90 V was used. Delivery of DNA vaccines expressing Bacillus anthracis protective antigen domain 4 (PAD4) with an applied voltage of 90 V induced robust PA-D4-specific antibody responses. In addition, the in vivo fate of anthrax DNA vaccine was studied after intradermal administration into the mouse. DNA plasmids remained at the skin injection site for an appropriate period of time after immunization. Intradermal administration of DNA vaccine resulted in detection in various organs (viz., lung, heart, kidney, spleen, brain, and liver), although the levels were significantly reduced. Conclusion: Our results offer important insights into how anthrax DNA vaccine delivery by intradermal electroporation affects the immune response and biodistribution of DNA vaccine. Therefore, it may provide valuable information for the development of effective DNA vaccines against anthrax infection.


2017 ◽  
Vol 13 (5) ◽  
pp. 273 ◽  
Author(s):  
Kieran Moore, MD, CCFP (EM), FCFP, MPH, DTM&H, FRCPC ◽  
Maximilien Boulet, BSc ◽  
Julia Lew, BSc ◽  
Nicholas Papadomanolakis-Pakis, BSocSc, MPA

Objective: Over the past decade, Canada and the United States have been facing an epidemic of harms from prescription opioids. More recently, opioid-naïve individuals have been exposed to illicit opioids through adulterated combination products. This has resulted in sudden surges of opioid-related mortality. A proactive public health solution is needed to prevent further death. We propose examining these surges in opioid overdoses as outbreaks and investigating them in a similar way to an outbreak of an infectious disease. An epidemiologic investigation model for opioid overdose outbreaks, that could be modified by other public health agencies,is discussed.


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