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https://www.readbyqxmd.com/read/28820385/group-a-rotavirus-associated-with-encephalitis-in-red-fox
#1
Chiara Busi, Vito Martella, Alice Papetti, Cristiano Sabelli, Davide Lelli, G Loris Alborali, Lucia Gibelli, Daniela Gelmetti, Antonio Lavazza, Paolo Cordioli, M Beatrice Boniotti
In 2011, a group A rotavirus was isolated from the brain of a fox with encephalitis and neurologic signs, detected by rabies surveillance in Italy. Intracerebral inoculation of fox brain homogenates into mice was fatal. Genome sequencing revealed a heterologous rotavirus of avian origin, which could provide a model for investigating rotavirus neurovirulence.
September 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28818469/vaccine-epidemiology-its-role-in-promoting-sound-immunization-programs-in-japan
#2
Yoshio Hirota, Kotaro Ozasa, Takashi Nakano
In Japan, the Vaccine Epidemiology Research Group created by the Ministry of Health, Labour and Welfare has played an important role in demonstrating the solid scientific basis for vaccine efficacy and safety since 2002. Members of the group, including epidemiologists, clinicians and microbiologists, have been conducting collaborative studies on vaccines for influenza, pertussis, rotavirus gastroenteritis, polio and pneumonia. So far, the group has achieved several works and contributed to the national vaccination program, including research on the immunogenicity of low doses of influenza vaccine among young children, the immunogenicity and effectiveness of the 2009 influenza pandemic vaccine among various risk groups, the interchangeability of live/inactivated polio vaccines, the health impact of influenza on pregnant women, and the monitoring of influenza vaccine effectiveness using case-control studies with a test-negative design...
August 24, 2017: Vaccine
https://www.readbyqxmd.com/read/28817621/re-evaluation-of-the-cost-effectiveness-and-effects-of-childhood-rotavirus-vaccination-in-norway
#3
Christina Hansen Edwards, Birgitte Freiesleben de Blasio, Beatriz Valcárcel Salamanca, Elmira Flem
BACKGROUND: Rotavirus vaccination was included into the Norwegian childhood immunisation programme in 2014. Before implementation, rotavirus vaccination was found to be cost-effective from a societal perspective, but not from a healthcare perspective. Since introduction, new data on the incidence and economic effects of rotavirus disease have become available. We assessed early epidemiological effects of the rotavirus vaccination programme and re-evaluated its cost-effectiveness in Norway for the years 2015-2019...
2017: PloS One
https://www.readbyqxmd.com/read/28815108/monitoring-biomedical-literature-for-post-market-safety-purposes-by-analyzing-networks-of-text-based-coded-information
#4
Taxiarchis Botsis, Matthew Foster, Kory Kreimeyer, Abhishek Pandey, Richard Forshee
Literature review is critical but time-consuming in the post-market surveillance of medical products. We focused on the safety signal of intussusception after the vaccination of infants with the Rotashield Vaccine in 1999 and retrieved all PubMed abstracts for rotavirus vaccines published after January 1, 1998. We used the Event-based Text-mining of Health Electronic Records system, the MetaMap tool, and the National Center for Biomedical Ontologies Annotator to process the abstracts and generate coded terms stamped with the date of publication...
2017: AMIA Summits on Translational Science Proceedings
https://www.readbyqxmd.com/read/28813644/rotavirus-disease-course-among-immunocompromised-patients-5-year-observations-from-a-tertiary-care-medical-centre
#5
P Bruijning-Verhagen, M D Nipshagen, H de Graaf, M J M Bonten
Rotavirus (RV) is highly endemic inside and outside hospital-settings. Immunocompromised children and adults are at risk of complicated rotavirus gastroenteritis (RVGE), but general rotavirus disease severity in this group remains poorly described and rotavirus testing is not routinely performed beyond infancy. We assessed rotavirus disease among immunocompromised hospitalized patients. METHODS: Rotavirus infections at a Dutch tertiary-care centre were identified from 5-year laboratory records...
August 13, 2017: Journal of Infection
https://www.readbyqxmd.com/read/28813007/the-efficacy-of-bifidobacterium-longum-bori-and-lactobacillus-acidophilus-ad031-probiotic-treatment-in-infants-with-rotavirus-infection
#6
Myeong Soo Park, Bin Kwon, Seockmo Ku, Geun Eog Ji
A total of 57 infants hospitalized with rotavirus disease were included in this study. The children were randomly divided into the study's two treatment groups: three days of the oral administration of (i) a probiotics formula containing both Bifidobacterium longum BORI and Lactobacillus acidophilus AD031 (N = 28); or (ii) a placebo (probiotic-free skim milk, N = 29) and the standard therapy for diarrhea. There were no differences in age, sex, or blood characteristics between the two groups. When the 57 cases completed the protocol, the duration of the patients' diarrhea was significantly shorter in the probiotics group (4...
August 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28810833/population-effectiveness-of-the-pentavalent-and-monovalent-rotavirus-vaccines-a-systematic-review-and-meta-analysis-of-observational-studies
#7
Daniel Hungerford, Katie Smith, Angela Tucker, Miren Iturriza-Gómara, Roberto Vivancos, Catherine McLeonard, Nigel A Cunliffe, Neil French
BACKGROUND: Rotavirus was the leading cause of acute gastroenteritis (AGE) in infants and young children prior to the introduction of routine vaccination. Since 2006 there have been two licensed vaccines available; with successful clinical trials leading the World Health Organization to recommend rotavirus vaccination for all children worldwide. In order to inform immunisation policy we have conducted a systematic review and meta-analysis of observation studies to assess population effectiveness against acute gastroenteritis...
August 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28805733/first-detection-of-rotavirus-group-c-in-asymptomatic-pigs-of-smallholder-farms-in-east-africa
#8
Joshua Oluoch Amimo, Eunice Magoma Machuka, Edward Okoth
Abstract: Group C rotavirus (RVC) has been described to be a causative agent of gastroenteritis in humans and animals including pigs, cows, and dogs. Fecal samples collected from asymptomatic pigs in smallholder swine farms in Kenya and Uganda were screened for the presence of group C rotaviruses (RVC) using a reverse transcription-polymerase chain reaction assay. A total of 446 samples were tested and 37 were positive (8.3%). A significantly larger (p < 0.05) number of RVC-positive samples was detected in groups of older pigs (5-6 months) than in younger piglets (1-2 months)...
August 14, 2017: Pathogens
https://www.readbyqxmd.com/read/28800379/erratum-to-a-model-of-exposure-to-rotavirus-from-nondietary-ingestion-iterated-by-simulated-intermittent-contacts-by-t-r-julian-r-a-canales-j-o-leckie-and-a-b-boehm-in-risk-analysis-29-5-617-622
#9
(no author information available yet)
No abstract text is available yet for this article.
August 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/28794420/interrelationship-of-rotavirus-infection-and-creatine-kinase-mb-isoenzyme-levels-in-children-hospitalized-with-acute-gastroenteritis-in-guangzhou-china-2012-2015
#10
Jianbin Zheng, Haiqing Zheng, Ramit Kumar Gupta, Huixian Li, Hui Shi, Liyan Pan, Sitang Gong, Huiying Liang
Elevated levels of Creatine Kinase-MB (CK-MB) Isoenzyme are a common phenomenon among rotavirus (RV) diarrhea. However, few studies have addressed this issue using large sample size. In current study, 1,118 children (age <5 years) hospitalized with diarrhea in Guangzhou Women and Children's Medical Center from 2012 to 2015 were finally included. Changing pattern of CK-MB and its relationship with RV-infection were analyzed and characterized. Multivariate linear regression models showed that RV-positive cases had a 28% rise in CK-MB compared to RV-negative cases (OR = 1...
August 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28794037/reverse-genetics-system-demonstrates-that-rotavirus-non-structural-protein-nsp6-is-not-essential-for-viral-replication-in-cell-culture
#11
Satoshi Komoto, Yuta Kanai, Saori Fukuda, Masanori Kugita, Takahiro Kawagishi, Naoto Ito, Makoto Sugiyama, Yoshiharu Matsuura, Takeshi Kobayashi, Koki Taniguchi
The use of overlapping open reading frames (ORFs) to synthesize more than one unique protein from a single mRNA has been described for several viruses. Segment 11 of the rotavirus genome encodes two non-structural proteins, NSP5 and NSP6. The NSP6 ORF is present in the vast majority of rotavirus strains, and therefore the NSP6 protein would be expected to have a function in viral replication. However, there is no direct evidence of its function or requirement in the viral replication cycle yet. Here, taking advantage of a recently established plasmid only-based reverse genetics system that allows rescue of recombinant rotaviruses entirely from cloned cDNAs, we generated NSP6-deficient viruses to directly address its significance in the viral replication cycle...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28793016/rotavirus-genotypes-as-etiological-agents-of-diarrhoea-in-general-populations-of-two-geographic-regions-of-brazil
#12
Marcel Leite, Rita de Cássia Compagnoli Carmona, Emerson Carraro, Aripuanã Sakurada Aranha Watanabe, Celso Francisco Hernandes Granato
Rotavirus is the main global cause of severe childhood diarrhoea among children. In 2006, Rotarix® (G1P[8]) was introduced into Brazil's National Immunization Program. The vaccine coverage rate was 84.4% in 2009. Evidences of increasing G2P[4] after 2006 opened up the discussion about the vaccine effectiveness to non-G1 strains. The aim of this study was to identify the circulating rotavirus genotypes in two Brazilian regions during 2009. A total of 223 positive samples by immunochromatography and latex agglutination assay from the Northeast (Bahia/Pernambuco States) and Southeast (São Paulo/Rio de Janeiro States) regions were included in the study...
2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28790133/detection-of-acute-gastroenteritis-etiology-in-hospitalized-young-children-associated-factors-and-outcomes
#13
Jamie M Pinto, Anna Petrova
BACKGROUND: The decision to test for the etiology of diarrhea is a challenging question for practicing pediatricians. METHODS: The main goal of this retrospective cohort study was to identify factors associated with testing for and diagnosis of rotavirus, Clostridium difficile, or other bacterial infections, as well as the length of stay (LOS) for children with acute gastroenteritis who were hospitalized at a single institution. Patients aged 6 to 60 months with acute diarrhea (<14 days) and no underlying gastrointestinal conditions were included...
August 8, 2017: Hospital Pediatrics
https://www.readbyqxmd.com/read/28783751/animal-related-factors-associated-with-moderate-to-severe-diarrhea-in-children-younger-than-five-years-in-western-kenya-a-matched-case-control-study
#14
Anne Conan, Ciara E O'Reilly, Eric Ogola, J Benjamin Ochieng, Anna J Blackstock, Richard Omore, Linus Ochieng, Fenny Moke, Michele B Parsons, Lihua Xiao, Dawn Roellig, Tamer H Farag, James P Nataro, Karen L Kotloff, Myron M Levine, Eric D Mintz, Robert F Breiman, Sarah Cleaveland, Darryn L Knobel
BACKGROUND: Diarrheal disease remains among the leading causes of global mortality in children younger than 5 years. Exposure to domestic animals may be a risk factor for diarrheal disease. The objectives of this study were to identify animal-related exposures associated with cases of moderate-to-severe diarrhea (MSD) in children in rural western Kenya, and to identify the major zoonotic enteric pathogens present in domestic animals residing in the homesteads of case and control children...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28783534/frequency-of-hepatitis-e-virus-rotavirus-and-porcine-enteric-calicivirus-at-various-stages-of-pork-carcass-processing-in-two-pork-processing-plants
#15
Tineke H Jones, Victoria Muehlhauser
Hepatitis E virus (HEV), rotavirus (RV), and porcine enteric calicivirus (PEC) infections are common in swine and raises concerns about the potential for zoonotic transmission through undercooked meat products. Enteric viruses can potentially contaminate carcasses during meat processing operations. There is a lack of information on the prevalence and control of enteric viruses in the pork processing chain. This study compared the incidence and levels of contamination of hog carcasses with HEV, RV and PEC at different stages of the dressing process...
July 29, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28780116/impact-of-rotavirus-vaccination-on-rotavirus-and-all-cause-gastroenteritis-in-peri-urban-kenyan-children
#16
Ernest Apondi Wandera, Shah Mohammad, Martin Bundi, Satoshi Komoto, James Nyangao, Cyrus Kathiiko, Erick Odoyo, Gabriel Miring'u, Koki Taniguchi, Yoshio Ichinose
A monovalent rotavirus vaccine (RV1) was introduced into the National Immunization Program in Kenya in July 2014. We examined the impact of the vaccine on hospitalization for all-cause acute gastroenteritis (AGE) and rotavirus-specific AGE and strain distribution at a large referral hospital which serves a predominantly peri-urban population in Central Kenya. Data on rotavirus AGE and strain distribution were derived from ongoing hospital-based AGE surveillance. Hospital administrative data were used to compare trends in all-cause AGE...
August 2, 2017: Vaccine
https://www.readbyqxmd.com/read/28771152/modeling-effect-of-cover-condition-and-soil-type-on-rotavirus-transport-in-surface-flow
#17
Rabin Bhattarai, Paul C Davidson, Prasanta K Kalita, Mark S Kuhlenschmidt
Runoff from animal production facilities contains various microbial pathogens which pose a health hazard to both humans and animals. Rotavirus is a frequently detected pathogen in agricultural runoff and the leading cause of death among children around the world. Diarrheal infection caused by rotavirus causes more than two million hospitalizations and death of more than 500,000 children every year. Very little information is available on the environmental factors governing rotavirus transport in surface runoff...
August 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28769143/zonulin-a-potential-marker-of-intestine-injury-in-newborns
#18
Anna Tarko, Anna Suchojad, Marta Michalec, Małgorzata Majcherczyk, Aniceta Brzozowska, Iwona Maruniak-Chudek
INTRODUCTION: Zonulin (ZO), a new diagnostic biomarker of intestinal permeability, was tested in newborns presenting symptoms of infection and/or inflammation of the gut or being at risk of intestinal pathology. MATERIAL AND METHODS: Serum ZO was assessed in 81 newborns diagnosed with sepsis, necrotizing enterocolitis (NEC), rotavirus infection, and gastroschisis, also in extremely low gestational age babies, and in controls (healthy newborns). ZO concentration was compared to C-reactive protein (CRP) and procalcitonin (PCT) values, leucocyte and platelet count, basic demographic data, and the value of the Neonatal Therapeutic Intervention Scoring System (NTISS)...
2017: Disease Markers
https://www.readbyqxmd.com/read/28763485/cxcr2-signaling-and-the-microbiome-suppress-inflammation-bile-duct-injury-and-the-phenotype-of-experimental-biliary-atresia
#19
Junbae Jee, Reena Mourya, Pranavkumar Shivakumar, Lin Fei, Michael Wagner, Jorge A Bezerra
Biliary atresia is progressive fibro-inflammatory cholangiopathy of young children. Central to pathogenic mechanisms of injury is the tissue targeting by the innate and adaptive immune cells. Among these cells, neutrophils and the IL-8/Cxcl-8 signaling via its Cxcr2 receptor have been linked to bile duct injury. Here, we aimed to investigate whether the intestinal microbiome modulates Cxcr2-dependent bile duct injury and obstruction. Adult wild-type (WT) and Cxcr2-/- mice were fed a diet supplemented with sulfamethoxazole/trimethoprim (SMZ/TMP) during pregnancy and lactation, and their pups were injected intraperitoneally with rhesus rotavirus (RRV) within 24 hours of life to induce experimental biliary atresia...
2017: PloS One
https://www.readbyqxmd.com/read/28757018/glycan-specificity-of-four-neuraminidase-sensitive-animal-rotavirus-strains
#20
Ji-Yun Kim, Deok-Song Kim, Ja-Young Seo, Jun-Gyu Park, Mia Madel Alfajaro, Mahmoud Soliman, Yeong-Bin Baek, Eun-Hyo Cho, Hyung-Jun Kwon, Su-Jin Park, Mun-Il Kang, Kyoung-Oh Cho
Group A rotaviruses (RVAs) are divided into neuraminidase (NA)-sensitive and NA-insensitive strains depending upon their binding affinity to the VP8* domain in the terminal sialic acids (SAs) of cell surface carbohydrates. Although NA-sensitive strains are known to use terminal SAs as an attachment factor, the exact nature of this attachment factor is largely unknown. Here we show that the specific linkage of SA-containing glycan to glycoprotein or glycolipid is an attachment factor used by NA-sensitive porcine G9P[7] PRG9121 and G9P[23] PRG942, bovine G6P[1] NCDV, and canine G3P[3] strains...
August 2017: Veterinary Microbiology
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