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    IJERPH, Vol. 13, Pages 517: Strongyloidiasis: A Disease of Socioeconomic Disadvantage (2016)
    MDPI Publishing
    Details
    Publication Date: 2016-05-21
    Description: Strongyloidiasis is a disease caused by soil transmitted helminths of the Strongyloides genus. Currently, it is predominately described as a neglected tropical disease. However, this description is misleading as it focuses on the geographical location of the disease and not the primary consideration, which is the socioeconomic conditions and poor infrastructure found within endemic regions. This classification may result in misdiagnosis and mistreatment by physicians, but more importantly, it influences how the disease is fundamentally viewed. Strongyloidiasis must be first and foremost considered as a disease of disadvantage, to ensure the correct strategies and control measures are used to prevent infection. Changing how strongyloidiasis is perceived from a geographic and clinical issue to an environmental health issue represents the first step in identifying appropriate long term control measures. This includes emphasis on environmental health controls, such as better infrastructure, sanitation and living conditions. This review explores the global prevalence of strongyloidiasis in relation to its presence in subtropical, tropical and temperate climate zones with mild and cold winters, but also explores the corresponding socioeconomic conditions of these regions. The evidence shows that strongyloidiasis is primarily determined by the socioeconomic status of the communities rather than geographic or climatic conditions. It demonstrates that strongyloidiasis should no longer be referred to as a “tropical” disease but rather a disease of disadvantage. This philosophical shift will promote the development of correct control strategies for preventing this disease of disadvantage.
    Print ISSN: 1661-7827
    Electronic ISSN: 1660-4601
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Published by MDPI Publishing
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  • 2
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    IJERPH, Vol. 14, Pages 624: Validation of DESS as a DNA Preservation Method for the Detection of Strongyloides spp. in Canine Feces (2017)
    MDPI Publishing
    Details
    Publication Date: 2017-06-10
    Description: Strongyloides stercoralis is a gastrointestinal parasitic nematode with a life cycle that includes free-living and parasitic forms. For both clinical (diagnostic) and environmental evaluation, it is important that we can detect Strongyloides spp. in both human and non-human fecal samples. Real-time PCR is the most feasible method for detecting the parasite in both clinical and environmental samples that have been preserved. However, one of the biggest challenges with PCR detection is DNA degradation during the postage time from rural and remote areas to the laboratory. This study included a laboratory assessment and field validation of DESS (dimethyl sulfoxide, disodium EDTA, and saturated NaCl) preservation of Strongyloides spp. DNA in fecal samples. The laboratory study investigated the capacity of 1:1 and 1:3 sample to DESS ratios to preserve Strongyloides ratti in spike canine feces. It was found that both ratios of DESS significantly prevented DNA degradation compared to the untreated sample. This method was then validated by applying it to the field-collected canine feces and detecting Strongyloides DNA using PCR. A total of 37 canine feces samples were collected and preserved in the 1:3 ratio (sample: DESS) and of these, 17 were positive for Strongyloides spp. The study shows that both 1:1 and 1:3 sample to DESS ratios were able to preserve the Strongyloides spp. DNA in canine feces samples stored at room temperature for up to 56 days. This DESS preservation method presents the most applicable and feasible method for the Strongyloides DNA preservation in field-collected feces.
    Print ISSN: 1661-7827
    Electronic ISSN: 1660-4601
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Published by MDPI Publishing
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  • 3
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    IJERPH, Vol. 12, Pages 2543-2556: Salmonella and Eggs: From Production to Plate (2015)
    MDPI Publishing
    Details
    Publication Date: 2015-02-27
    Description: Salmonella contamination of eggs and egg shells has been identified as a public health concern worldwide. A recent shift in consumer preferences has impacted on the egg industry, with a push for cage-free egg production methods. There has also been an increased desire from consumers for raw and unprocessed foods, potentially increasing the risk of salmonellosis. In response to these changes, this review explores the current literature regarding Salmonella contamination of eggs during the production processing through to food handling protocols. The contamination of eggs with Salmonella during the production process is a complex issue, influenced by many variables including flock size, flock age, stress, feed, vaccination, and cleaning routines. Currently there is no consensus regarding the impact of caged, barn and free range egg production has on Salmonella contamination of eggs. The literature regarding the management and control strategies post-collection, during storage, transport and food handling is also reviewed. Pasteurisation and irradiation were identified as the only certain methods for controlling Salmonella and are essential for the protection of high risk groups, whereas control of temperature and pH were identified as potential control methods to minimise the risk for foods containing raw eggs; however, further research is required to provide more detailed control protocols and education programs to reduce the risk of salmonellosis from egg consumption.
    Print ISSN: 1661-7827
    Electronic ISSN: 1660-4601
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Published by MDPI Publishing
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  • 4
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    IJERPH, Vol. 13, Pages 1218: Australian Food Safety Policy Changes from a “Command and Control” to an “Outcomes-Based” Approach: Reflection on the Effectiveness of Its Implementation (2016)
    MDPI Publishing
    Details
    Publication Date: 2016-12-09
    Description: Foodborne illness is a global public health burden. Over the past decade in Australia, despite advances in microbiological detection and control methods, there has been an increase in the incidence of foodborne illness. Therefore improvements in the regulation and implementation of food safety policy are crucial for protecting public health. In 2000, Australia established a national food safety regulatory system, which included the adoption of a mandatory set of food safety standards. These were in line with international standards and moved away from a “command and control” regulatory approach to an “outcomes-based” approach using risk assessment. The aim was to achieve national consistency and reduce foodborne illness without unnecessarily burdening businesses. Evidence demonstrates that a risk based approach provides better protection for consumers; however, sixteen years after the adoption of the new approach, the rates of food borne illness are still increasing. Currently, food businesses are responsible for producing safe food and regulatory bodies are responsible for ensuring legislative controls are met. Therefore there is co-regulatory responsibility and liability and implementation strategies need to reflect this. This analysis explores the challenges facing food regulation in Australia and explores the rationale and evidence in support of this new regulatory approach.
    Print ISSN: 1661-7827
    Electronic ISSN: 1660-4601
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Published by MDPI Publishing
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