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Georgios Samiotis, Eleni Trikoilidou, Lazaros Tsikritzis, Elisavet Amanatidou
In this work, a comparative study on the water quality characteristics of two in-line water reservoirs (artificial lakes) in Aliakmon River (Western Macedonia, Greece) is performed. Polyfytos Reservoir and Ilarion Reservoir were created in 1975 and 2012 respectively, in order to serve the homonymous hydroelectric stations. In young artificial lakes, severe deterioration of water quality may occur; thus, the monitoring and assessment of their water quality characteristics and their statistical interpretation are of great importance...
March 20, 2018: Environmental Monitoring and Assessment
Hesham M Al-Mekhlafi
Since early 2015, Yemen has been in the throes of a grueling civil war, which has devastated the health system and public services, and created one of the world's worst humanitarian disasters. The country is currently facing a cholera epidemic the world's largest on record, surpassing one million (1,061,548) suspected cases, with 2,373 related deaths since October 2016. Cases were first confirmed in Sana'a city and then spread to almost all governorates except Socotra Island. Continued efforts are being made by the World Health Organization and international partners to contain the epidemic through improving water, sanitation and hygiene, setting up diarrhea treatment centers, and improving the population's awareness about the disease...
March 19, 2018: American Journal of Tropical Medicine and Hygiene
Rembecca Lyn Ritter, Dorothy Peprah, Clair Null, Christine L Moe, George Armah, Joseph Ampofo, Nii Wellington, Habib Yakubu, Katharine Robb, Amy E Kirby, Yuke Wang, Katherine Roguski, Heather Reese, Chantal A Agbemabiese, Lady Asantewa B Adomako, Matthew C Freeman, Kelly K Baker
In crowded urban settlements in low-income countries, many households rely on shared sanitation facilities. Shared facilities are not currently considered "improved sanitation" because of concerns about whether hygiene conditions sufficiently protect users from the feces of others. Prevention of fecal exposure at a latrine is only one aspect of sanitary safety. Ensuring consistent use of latrines for feces disposal, especially child feces, is required to reduce fecal contamination in households and communities...
March 19, 2018: American Journal of Tropical Medicine and Hygiene
Brianne Ls Ball, Kathleen M Donovan, Steven Clegg, James T Sheets
Sanitation frequency of mouse cage components can be determined through verification of microenvironment, including microbiologic load and air quality within the cage. Here we demonstrate a consistent microbiologic load on wire IVC lids that were used for as long as 8 continuous weeks to house 4 or 5 mice and significant decreases in the microbial load on filter tops at 4, 6, and 8 wk compared with 2 wk. In addition, air quality, represented by intracage ammonia concentration at the time of bedding change, did not differ between 2-, 4-, and 6-wk time points in cages containing same-sex groups of 4 or 5 male or female adult mice...
March 1, 2018: Journal of the American Association for Laboratory Animal Science: JAALAS
Eatimad Shalabi-Abbas, Saba Dweikat, Israa Al Gazawy, Sajeda Draghmah
BACKGROUND: Menstruation is a natural phenomenon that occurs throughout the reproductive life of every woman. The aim of this study was to explore knowledge and self-care practices among Palestinian adolescent girls during their menstrual period. Reproductive health issues in adolescent girls is an important but neglected area of Palestinian research. METHODS: For this cross-sectional study we recruited girls from grades seven, eight, and nine in the three biggest schools for girls in Nablus district...
February 21, 2018: Lancet
Peter Greaves
The aim of this study was to examine the impact of regional diets on the health of the poor in mid-Victorian Britain. Contemporary surveys of regional diets and living condition were reviewed. This information was compared with mortality data from Britain over the same period. Although there was an overall improvement in life expectancy during the latter part of the 19th century, there were large regional differences in lifestyle, diet and mortality rates. Dietary surveys showed that the poor labouring population in isolated rural areas of England, in the mainland and islands of Scotland and in the west of Ireland enjoyed the most nutritious diets...
March 2018: JRSM Open
A Muniesa, J Escobar-Dodero, N Silva, P Henríquez, P Bustos, A M Perez, F O Mardones
This short communication investigated in vitro differences between commercial disinfectants types (n = 36), doses of application, and time of action in the elimination of Piscirickettsia salmonis, the most important bacterium affecting farmed salmon in Chile. Seven different treatments were examined, including active and inactive chlorine dioxides, glutaraldehyde, hypochlorite disinfectants and detergents, peracetic acid, peroxides and other miscellaneous methods A 3 replicate set of each of the sample groups was stored at 20 °C and 95% relative humidity and retested after 1, 5 and 30 min with varying doses (low, recommended and high doses)...
March 8, 2018: Preventive Veterinary Medicine
Morgan Pommells, Corinne Schuster-Wallace, Susan Watt, Zachariah Mulawa
The purpose of this study was to better understand the gender violence risks that exist in communities where poor water, sanitation, and hygiene (WaSH) access is a known problem. Focus groups and key informant interviews were used to capture the lived experiences of community and health care practitioners from Rwanda, Tanzania, Uganda, and Kenya. This article provides lived narratives of the various cultural and environmental conditions leading to assaults directly attributable to inadequate WaSH. The results shed light on the complex intersections between water access and violence and have significant implications for achieving gender equity and universal access to WaSH...
March 1, 2018: Violence Against Women
Yushi Uetera, Hiroshi Yasuhara, Naohito Kumada, Yoshiki Misawa, Yoshiyuki Terada, Yoshio Satou, Tamaki Suhara, Kunio Kawamura
Recently, the use of filters has come into light for sanitizing water plants. This study investigated the role of heat-tolerant ultrafilters (UFs) for the remediation of reverse osmosis (RO) plants using periodic thermal disinfection. Two completely identical RO plants (RO plants A & B) were installed in 2006 for surgical hand antisepsis in the operating theater. RO water was stored in the 300-liter storage tank and re-circulated in the 190 meter-long loop delivering water to 12 faucets in each RO plant...
March 15, 2018: PDA Journal of Pharmaceutical Science and Technology
Aaron Hubbard, Thomas Reodl, Ada Hui, Stephanie Knueppel, Kirk Eppler, Siegfried Lehnert, Yuh-Fun Maa
A monoclonal antibody drug product (DP) manufacturing process was transferred to a different production site, where aseptic filling took place within an isolator that was sanitized using vapor phase hydrogen peroxide (VPHP). A quality-by-design approach was applied for study design to understand the impact of VPHP uptake in the isolator on DP quality. A combination of small-scale and manufacturing-scale studies was performed to evaluate the sensitivity of the monoclonal antibody to hydrogen peroxide (H2O2) as well as VPHP uptake mechanisms during the filling process...
March 15, 2018: PDA Journal of Pharmaceutical Science and Technology
Jennyfer Wolf, Paul R Hunter, Matthew C Freeman, Oliver Cumming, Thomas Clasen, Jamie Bartram, Julian P T Higgins, Richard Johnston, Kate Medlicott, Sophie Boisson, Annette Prüss-Ustün
OBJECTIVES: Safe drinking water, sanitation and hygiene are protective against diarrhoeal disease; a leading cause of child mortality. The main objective was an updated assessment of the impact of unsafe water, sanitation and hygiene (WaSH) on childhood diarrhoeal disease. METHODS: We undertook a systematic review of articles published between 1970 and February 2016. Study results were combined and analysed using meta-analysis and meta-regression. RESULTS: A total of 135 studies met the inclusion criteria...
March 14, 2018: Tropical Medicine & International Health: TM & IH
Guo Yan-Li, Zou Yong-Gen, Xie Yi-Qing, Chen Hong, He Ming-Zhen, Lü Lai-Fu, Huang Li-Zhong, Jin Xiao-Lin
OBJECTIVE: To investigate the prevalence of major parasitic diseases and related knowledge, attitude and practice among rural residents in Liyang City, so as to provide the evidence for formulating appropriate preventive strategies and measures. METHODS: Three villages were selected from three towns as survey sites, and the residents who were above three years old and had been in the village for over six months were investigated. The Kato-Katz technique was applied to detect intestinal parasite eggs in residents' feces, and the cellophane anal swab was used to detect Enterobius vermicularis eggs among children aged 3-6 years...
September 27, 2017: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Alua Omarova, Kamshat Tussupova, Ronny Berndtsson, Marat Kalishev, Kulyash Sharapatova
Improved water, sanitation and hygiene (WASH) are significant in preventing diarrhea morbidity and mortality caused by protozoa in low- and middle-income countries. Due to the intimate and complex relationships between the different WASH components, it is often necessary to improve not just one but all of these components to have sustainable results. The objective of this paper was to review the current state of WASH-related health problems caused by parasitic protozoa by: giving an overview and classification of protozoa and their effect on people's health, discussing different ways to improve accessibility to safe drinking water, sanitation services and personal hygiene behavior; and suggesting an institutional approach to ensure improved WASH...
March 12, 2018: International Journal of Environmental Research and Public Health
Hoyce Amini Mshida, Neema Kassim, Emmanuel Mpolya, Martin Kimanya
Undernutrition among under-five children is a public health concern in developing countries and has been linked with poor water, sanitation and hygiene (WASH) practices. This study aimed at assessing WASH practices and its association with nutritional status of under-five children in semi-pastoral communities of Arusha. The study was cross-sectional in design. Mother-child pairs from 310 households in four villages of Monduli and Longido were involved. Weight and height of children were measured using weighing scale and length/height board, respectively...
March 12, 2018: American Journal of Tropical Medicine and Hygiene
Hélène Carabin, Athanase Millogo, Helena A Ngowi, Cici Bauer, Veronique Dermauw, Assana Cissé Koné, Ida Sahlu, Alicia L Salvator, Pierre-Marie Preux, Télesphore Somé, Zékiba Tarnagda, Sarah Gabriël, Rabiou Cissé, Jean-Bosco Ouédraogo, Linda D Cowan, Marie-Paule Boncoeur-Martel, Pierre Dorny, Rasmané Ganaba
BACKGROUND: The effectiveness of drug-free interventions in controlling human cysticercosis is not well known. We aimed to estimate the effectiveness of a community-based educational intervention in reducing the frequency of human cysticercosis in Burkina Faso. METHODS: We did a cluster-randomised controlled trial between 2011 and 2014. 60 eligible villages from three provinces (Boulkiemdé, Sanguié, and Nayala) were randomly allocated to the intervention or control group...
April 2018: Lancet Global Health
Pisit Suntaravitun, Amornrat Dokmaikaw
Intestinal parasitic infections remain a major public health problem in many parts of Thailand, particularly in rural areas. This study aimed to determine the prevalence of intestinal parasitic infections and associated risk factors among the people living in Huai Sai sub-district, Bang Khla district, Chachoengsao Province, central Thailand. A cross-sectional survey was carried out from June 2017 to August 2017 which included a total of 224 participants. Stool samples were examined using a simple direct smear and formalin ethyl acetate concentration technique...
February 2018: Korean Journal of Parasitology
Mirembe Mandy, Moffat Nyirenda
Low- and middle-income countries (LMICs), particularly those in sub-Saharan Africa, are experiencing rapid increases in the prevalence of non-communicable diseases (NCDs), which may not be fully explained by urbanization and associated traditional risk factors such as tobacco smoking, excessive alcohol consumption, poor diet or physical inactivity. In this commentary, we draw attention to the concept of Developmental Origins of Health and Disease (DOHaD), where environmental insults in early life can contribute to long-term risk of NCDs, the impact of which would be particularly important in LMICs where poverty, malnutrition, poor sanitation and infections are still prevalent...
March 8, 2018: International Health
Justin Shih, Ato Fanyin-Martin, Edris Taher, Kartik Chandran
Background.  In Ghana, faecal sludge (FS) from on-site sanitation facilities is often discharged untreated into the environment, leading to significant insults to environmental and human health. Anaerobic digestion offers an attractive pathway for FS treatment with the concomitant production of energy in the form of methane. Another innovative option includes separating digestion into acidogenesis (production of volatile fatty acids (VFA)) and methanogenesis (production of methane), which could ultimately facilitate the production of an array of biofuels and biochemicals from the VFA...
November 6, 2017: Gates Open Res
Tareq M Osaili, Akram R Alaboudi, Heba N Al-Quran, Anas A Al-Nabulsi
Enterobacteriaceae family can contaminate fresh produce at any stage of production either at pre-harvest or post-harvest stages. The objectives of the current study were to i) identify Enterobacteriaceae species on iceberg lettuce, ii) compare the decontamination efficiency of water, sodium hypochlorite (free chlorine 200 ppm), peroxyacetic acid (PA 80 ppm; Kenocid 2100® ) or their combinations and ionizing radiation against Enterobacteriaceae on shredded iceberg lettuce and iii) determine the survival of Enterobacteriaceae post-treatment storage of shredded iceberg lettuce at 4, 10 and 25 °C, for up to 7 days...
August 2018: Food Microbiology
Aditya K Gupta, Sarah G Versteeg
Because of the ubiquitous nature of dermatophytes and a lack of an adaptive immune response in the nail plate, recurrence and relapse rates associated with superficial fungal infections are high (10%-53%). Cured or improved dermatophytosis patients could become reinfected if exposed to fungal reservoirs, such as an infected shoe, sock, or textile. To prevent this, footwear, sock, and textile sanitization methods can be used. To provide insight into effective sanitization options, the focus of this article is to review footwear, sock, and textile sanitization studies conducted throughout history (1920-2016)...
March 9, 2018: Journal of the American Podiatric Medical Association
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