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Infection surveillance

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https://www.readbyqxmd.com/read/28238642/detection-of-borrelia-burgdorferi-sensu-lato-and-anaplasma-phagocytophilum-in-questing-ticks-ixodes-ricinus-from-the-czech-republic
#1
Kateřina Kybicová, Kateřina Baštová, Marek Malý
The aim of the present study is to compare the prevalence of Borrelia burgdorferi sensu lato (s.l.) and Anaplasma phagocytophilum in questing ticks by using molecular methods from spring to autumn 2007. A total of 526 Ixodes ricinus ticks were collected from vegetation in three different sampling sites, representing an urban area (city park), a suburban area (village) and a natural montane habitat. The prevalence of B. burgdorferi s.l. was 17.3% (7.5% in males, 18.7% in females and 20.2% in nymphs), while 4...
February 20, 2017: Ticks and Tick-borne Diseases
https://www.readbyqxmd.com/read/28238633/early-neonatal-death-a-challenge-worldwide
#2
REVIEW
Liisa Lehtonen, Ana Gimeno, Anna Parra-Llorca, Máximo Vento
Early neonatal death (ENND), defined as the death of a newborn between zero and seven days after birth, represents 73% of all postnatal deaths worldwide. Despite a 50% reduction in childhood mortality, reduction of ENND has significantly lagged behind other Millennium Developmental Goal achievements and is a growing contributor to overall mortality in children aged <5 years. The etiology of ENND is closely related to the level of a country's industrialization. Hence, prematurity and congenital anomalies are the leading causes in high-income countries...
February 23, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28238506/rapid-diagnosis-of-gastrointestinal-tract-infections-due-to-parasites-viruses-and-bacteria
#3
Luz Balsalobre-Arenas, Teresa Alarcón-Cavero
Rapid diagnostic techniques are valuable tools in the diagnosis of gastrointestinal infections, especially for the detection of some microorganisms and in certain groups of patients. While antigen detection techniques are widely used in Clinical Microbiology laboratories, for the diagnosis of viruses, some parasites and some bacteria, molecular techniques are routinely used only for some pathogens (such as Clostridium difficile). However, molecular techniques are constantly evolving, and they allow a rapid diagnosis for an increasing number of pathogens, with high sensitivity and specificity...
February 23, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/28238285/urogenital-schistosomiasis-and-soil-transmitted-helminthiasis-sth-in-cameroon-an-epidemiological-update-at-barombi-mbo-and-barombi-kotto-crater-lakes-assessing-prospects-for-intensified-control-interventions
#4
Suzy J Campbell, J Russell Stothard, Faye O'Halloran, Deborah Sankey, Timothy Durant, Dieudonné Eloundou Ombede, Gwladys Djomkam Chuinteu, Bonnie L Webster, Lucas Cunningham, E James LaCourse, Louis-Albert Tchuem-Tchuenté
BACKGROUND: The crater lakes of Barombi Mbo and Barombi Kotto are well-known transmission foci of schistosomiasis and soil-transmitted helminthiasis having had several important control initiatives previously. To collect contemporary epidemiological information, a cross-sectional survey was undertaken inclusive of: signs and symptoms of disease, individual treatment histories, local water, sanitation and hygiene (WASH)-related factors and malacological surveillance, with molecular characterisation of specimens...
February 27, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28237728/recognition-of-viral-and-self-antigens-by-th1-and-th1-th17-central-memory-cells-in-patients-with-multiple-sclerosis-reveals-distinct-roles-in-immune-surveillance-and-relapses
#5
Moira Paroni, Virginia Maltese, Marco De Simone, Valeria Ranzani, Paola Larghi, Chiara Fenoglio, Anna M Pietroboni, Milena A De Riz, Maria C Crosti, Stefano Maglie, Monica Moro, Flavio Caprioli, Riccardo Rossi, Grazisa Rossetti, Daniela Galimberti, Massimiliano Pagani, Elio Scarpini, Sergio Abrignani, Jens Geginat
BACKGROUND: Multiple sclerosis (MS) is an inflammatory demyelinating disease of the central nervous system (CNS) that is caused by autoreactive T cells and associated with viral infections. However, the phenotype of pathogenic T cells in peripheral blood remains to be defined, and how viruses promote MS is debated. OBJECTIVE: We aimed to identify and characterize potentially pathogenic autoreactive T cells, as well as protective antiviral T cells, in patients with MS...
February 16, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28237369/laboratory-based-surveillance-of-clostridium-difficile-strains-circulating-in-the-australian-healthcare-setting-in-2012
#6
Deirdre A Collins, Papanin Putsathit, Briony Elliott, Thomas V Riley
Clostridium difficile infection (CDI) has risen in prominence in Australia recently. We conducted laboratory-based surveillance of CDI to examine C. difficile circulating in Australia in October/November 2012. We collected 542 isolates from all States and Territories of Australia except the Northern Territory. The most common ribotypes (RTs) were RTs 014/020 (25.5%), 002 (10.5%), 056 (5.9%) and 070 (4.2%). The survey results were compared with results from a similar Australian survey conducted in 2010. Proportions of RTs 014/020 and 002 remained similar, while RTs 056 (5...
February 23, 2017: Pathology
https://www.readbyqxmd.com/read/28237239/meteorological-conditions-and-land-cover-as-predictors-for-the-prevalence-of-bluetongue-virus-in-the-inner-mongolia-autonomous-region-of-mainland-china
#7
Xiang Gao, Hongyu Qin, Jianhua Xiao, Hongbin Wang
Bluetongue is a major disease of economic importance that affects ruminants worldwide. It is transmitted by species of Culicoides midges (Diptera: Ceratopogonidae). The Inner Mongolia Autonomous Region is one of the main pastoral areas for farmed sheep in Mainland China and, because of its large area, represents an ideal candidate region for the study of Bluetongue virus (BTV) distribution and prevalence characteristics. The present study conducted a detailed investigation into the spatial patterns of BTV transmission in sheep in the Inner Mongolia Autonomous Region, and assessed the inter-relationships between meteorological factors, land cover and the transmission of the virus was conducted...
March 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28237237/expanding-veterinary-biosurveillance-in-washington-dc-the-creation-and-utilization-of-an-electronic-based-online-veterinary-surveillance-system
#8
Andrew Hennenfent, Vito DelVento, John Davies-Cole, Fern Johnson-Clarke
OBJECTIVES: To enhance the early detection of emerging infectious diseases and bioterrorism events using companion animal-based surveillance. METHODS: Washington, DC, small animal veterinary facilities (n=17) were surveyed to determine interest in conducting infectious disease surveillance. Using these results, an electronic-based online reporting system was developed and launched in August 2015 to monitor rates of canine influenza, canine leptospirosis, antibiotic resistant infections, canine parvovirus, and syndromic disease trends...
March 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28237235/assessing-the-time-taken-for-a-surveillance-system-to-detect-a-re-emergence-of-bovine-spongiform-encephalopathy-in-cattle
#9
Robin R L Simons, Mark E Arnold, Amie Adkin
During the bovine spongiform encephalopathy (BSE) epidemic in July 2001 the European Commission established a surveillance scheme for the comprehensive sampling of all BSE clinical suspects, healthy slaughter (HS) animals >30months, and all emergency slaughter and fallen stock animals tested when >24months. With the exponential decline in classical BSE cases, this comprehensive surveillance system has been successively modified to become risk-based, targeting those exit streams and ages where cases from the original epidemic are most likely to be detected...
March 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28237229/break-even-analysis-of-costs-for-controlling-toxoplasma-gondii-infections-in-slaughter-pigs-via-a-serological-surveillance-program-in-the-netherlands
#10
M van Asseldonk, C P A van Wagenberg, H J Wisselink
Toxoplasma gondii (T. gondii) is a food safety hazard which causes a substantial human disease burden and cost-of-illness. Infected pig meat is a common source of toxoplasmosis. A break-even analysis was conducted to estimate the point for which the intervention cost at fattening pig farms equaled the cost of averted human disease burden and cost-of-illness minus the costs of a T. gondii surveillance program. The surveillance program comprised serological testing of blood samples taken at slaughter. Break-even points were determined given alternative levels of the effectiveness of the intervention program (10% up to 90% in steps of 10%), the value of an averted DALY (20,000, 50,000 and 80,000 Euro), and threshold of sample prevalence for a farm to be under intervention (5% up to 50% out of 20 samples in steps of 5%)...
March 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/28236250/group-b-streptococcal-disease-in-infants-in-the-first-year-of-life-a-nationwide-surveillance-study-in-japan-2011-2015
#11
Kousaku Matsubara, Kiyoshi Hoshina, Masatoshi Kondo, Isao Miyairi, Yoshiya Yukitake, Yusuke Ito, Kisei Minami, Ryuichi Genkawa
PURPOSE: This study aimed to describe the epidemiology of childhood group B streptococcus (GBS) disease including late late-onset disease (LLOD) and to clinically characterize recurrent cases and twin-sibling cases in Japan. METHODS: We collected information on infants (<1 year of age) with invasive GBS disease and institutional information about births and transfers through a nationwide questionnaire between 2011 and 2015. RESULTS: We identified 133 infants with early-onset disease (EOD), 274 late-onset disease (LOD), and 38 LLOD from 149 institutes...
February 25, 2017: Infection
https://www.readbyqxmd.com/read/28235839/sexual-partner-characteristics-and-incident-rectal-neisseria-gonorrhoeae-and-chlamydia-trachomatis-infections-among-gay-men-and-other-men-who-have-sex-with-men-msm-a-prospective-cohort-in-abuja-and-lagos-nigeria
#12
Habib O Ramadhani, Hongjie Liu, Rebecca G Nowak, Trevor A Crowell, Teclaire Ndomb, Charlotte Gaydos, Sheila Peel, Nicaise Ndembi, Stefan D Baral, Julie Ake, Man E Charurat
BACKGROUND: STIs including Neisseria gonorrhoeae (NG) and Chlamydia trachomatis (CT) potentiate HIV acquisition and transmission especially among gay men and other men who have sex with men (MSM). We investigated the influence of sexual network composition on incident rectal NG and/or CT infections among Nigerian MSM. METHODS: TRUST/RV368 is a cohort of MSM recruited using respondent-driven sampling at trusted community centres in Abuja and Lagos, Nigeria. MSM respondents (egos) provided STI risk factors and demographic information for up to five of their most recent sexual partners (alters) within their sexual networks...
February 24, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28235585/omics-in-fish-mucosal-immunity
#13
Salinas Irene, Susana Magadán
The mucosal immune system of fish is a complex network of immune cells and molecules that are constantly surveilling the environment and protecting the host from infection. A number of "omics" tools are now available and utilized to understand the complexity of mucosal immune systems in non-traditional animal models. This review summarizes recent advances in the implementation of "omics" tools pertaining to the four mucosa-associated lymphoid tissues in teleosts. Genomics, transcriptomics, proteomics, and "omics" in microbiome research require interdisciplinary collaboration and careful experimental design...
February 21, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28231277/comparison-of-cross-sectional-hiv-incidence-assay-results-from-dried-blood-spots-and-plasma
#14
Katherine E Schlusser, Christopher Pilcher, Esper G Kallas, Breno R Santos, Steven G Deeks, Shelley Facente, Sheila M Keating, Michael P Busch, Gary Murphy, Alex Welte, Thomas Quinn, Susan H Eshleman, Oliver Laeyendecker
BACKGROUND: Assays have been developed for cross-sectional HIV incidence estimation using plasma samples. Large scale surveillance programs are planned using dried blood spot (DBS) specimens for incidence assessment. However, limited information exists on the performance of HIV cross-sectional incidence assays using DBS. METHODS: The assays evaluated were: Maxim HIV-1 Limiting Antigen Avidity EIA (LAg-Avidity), Sedia HIV-1 BED-Capture EIA (BED-CEIA), and CDC modified BioRad HIV-1/2 Plus O Avidity-based Assay (CDC-BioRad Avidity) using pre-determined cutoff values...
2017: PloS One
https://www.readbyqxmd.com/read/28231244/unexpectedly-high-leprosy-seroprevalence-detected-using-a-random-surveillance-strategy-in-midwestern-brazil-a-comparison-of-elisa-and-a-rapid-diagnostic-test
#15
Marco Andrey C Frade, Natália A de Paula, Ciro M Gomes, Sebastian Vernal, Fred Bernardes Filho, Helena B Lugão, Marilda M M de Abreu, Patrícia Botini, Malcolm S Duthie, John S Spencer, Rosa Castália F R Soares, Norma T Foss
BACKGROUND: Leprosy diagnosis is mainly based on clinical evaluation, although this approach is difficult, especially for untrained physicians. We conducted a temporary campaign to detect previously unknown leprosy cases in midwestern Brazil and to compare the performance of different serological tests. METHODS: A mobile clinic was stationed at the main bus terminal in Brasília, Brazil. Volunteers were quizzed and given a clinical exam to allow categorization as either patients, known contacts of patients or non-contacts, and blood was collected to determine anti-PGL-I and anti-LID-1 antibody titers by ELISA and by the NDO-LID rapid test...
February 23, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28231023/increasing-nocardia-incidence-associated-with-bronchiectasis-at-a-tertiary-care-center
#16
Michael H Woodworth, Jennifer L Saullo, Paul M Lantos, Gary M Cox, Jason E Stout
RATIONALE: Nocardia is a genus of pathogens that most commonly afflicts immunocompromised hosts, but may be an emerging infection among persons with bronchiectasis. OBJECTIVES: To examine the epidemiology and clinical presentation of adult patients with Nocardia and bronchiectasis relative to other patient groups. METHODS: We examined a retrospectively-assembled cohort of adults at Duke University Hospital in Durham, North Carolina with at least one positive culture from a bodily fluid or tissue specimen for Nocardia between January 1996 and December 2013...
February 23, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28229205/-spectrum-of-pathogens-in-postoperative-complications-of-visceral-surgery-the-problem-of-multidrug-resistance
#17
A Kramer, J Pochhammer, P Walger, U Seifert, M Ruhnke, J C Harnoss
In general surgery the etiology of surgical site infections has not significantly changed over the last 30 years. Gram-positive bacteria, e.g. coagulase negative staphylococci (CNS), Staphylococcus aureus and Enterococcus spp. as well as Gram-negative bacteria, e.g. Escherichia coli, Enterobacter spp., Klebsiella spp. and Pseudomonas aeruginosa, are the most common findings. Although in general surgery 10% of the S. aureus causing postoperative wound infections were methicillin resistant (MRSA), no cases of multidrug-resistant Gram-negative (MRGN) bacteria were reported...
February 22, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28228923/rodent-species-distribution-and-hantavirus-seroprevalence-in-residential-and-forested-areas-of-sarawak-malaysia
#18
Nur Elfieyra Syazana Hamdan, Yee Ling Ng, Wei Bin Lee, Cheng Siang Tan, Faisal Ali Anwarali Khan, Yee Ling Chong
Rodents belong to the order Rodentia, which consists of three families in Borneo (i.e., Muridae, Sciuridae and Hystricidae). These include rats, mice, squirrels, and porcupines. They are widespread throughout the world and considered pests that harm humans and livestock. Some rodent species are natural reservoirs of hantaviruses (Family: Bunyaviridae) that can cause zoonotic diseases in humans. Although hantavirus seropositive human sera were reported in Peninsular Malaysia in the early 1980s, information on their infection in rodent species in Malaysia is still lacking...
January 2017: Tropical Life Sciences Research
https://www.readbyqxmd.com/read/28228490/short-read-whole-genome-sequencing-for-laboratory-based-surveillance-of-bordetella-pertussis
#19
Alex Marchand-Austin, Raymond S W Tsang, Jennifer L Guthrie, Jennifer H Ma, Gillian Lim, Natasha S Crowcroft, Shelley L Deeks, David J Farrell, Frances B Jamieson
Bordetella pertussis (BP) is a Gram-negative bacterium that causes respiratory infections in humans. Ongoing molecular surveillance of BP acellular vaccine (aP) antigens is critical for understanding the interaction between evolutionary pressures, disease pathogenesis, and vaccine effectiveness. Methods currently used to characterize aP components are relatively labour intensive and low throughput. To address this challenge, we sought to derive aP antigen genotypes from minimally processed short-read whole genome sequencing data generated from 40 clinical BP isolates and analyzed using the SRST2 bioinformatic package...
February 22, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28228179/serological-evidence-of-lyssavirus-infection-among-bats-in-nagaland-a-north-eastern-state-in-india
#20
R S Mani, D P Dovih, M A Ashwini, B Chattopadhyay, P K Harsha, K M Garg, S Sudarshan, R Puttaswamaiah, U Ramakrishnan, S N Madhusudana
Bats are known to be reservoirs of several medically important viruses including lyssaviruses. However, no systematic surveillance for bat rabies has been carried out in India, a canine rabies endemic country with a high burden of human rabies. Surveillance for rabies virus (RABV) infection in bats was therefore carried out in Nagaland, a north-eastern state in India at sites with intense human-bat interfaces during traditional bat harvests. Brain tissues and sera from bats were tested for evidence of infection due to RABV...
February 23, 2017: Epidemiology and Infection
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