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https://www.readbyqxmd.com/read/28340179/open-label-pilot-study-to-compare-the-safety-and-immunogenicity-of-pentavalent-rotavirus-vaccine-rv5-administered-on-an-early-alternative-dosing-schedule-with-those-of-rv5-administered-on-the-recommended-standard-schedule
#1
Ezzeldin Saleh, Brian Eichner, Douglas W Clark, Martha E Gagliano, James M Troutman, Lynn Harrington, Monica McNeal, Dennis Clements
This study compares the safety and immunogenicity of pentavalent rotavirus vaccine (RV5) administered on an alternative schedule (initiated at 2-5 weeks of age) with those of RV5 administered on the recommended standard schedule. Our findings support the future conduct of larger clinical trials to confirm the safety and efficacy of rotavirus vaccination in the neonatal period.
March 3, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28337241/rotavirus-gastroenteritis-and-a-rare-case-accompanying-acute-pancreatitis
#2
Ahmet Basturk, Reha Artan, Aygen Yilmaz
No abstract text is available yet for this article.
2017: Przegla̜d Gastroenterologiczny
https://www.readbyqxmd.com/read/28335454/porcine-rotaviruses-epidemiology-immune-responses-and-control-strategies
#3
REVIEW
Anastasia N Vlasova, Joshua O Amimo, Linda J Saif
Rotaviruses (RVs) are a major cause of acute viral gastroenteritis in young animals and children worldwide. Immunocompetent adults of different species become resistant to clinical disease due to post-infection immunity, immune system maturation and gut physiological changes. Of the 9 RV genogroups (A-I), RV A, B, and C (RVA, RVB, and RVC, respectively) are associated with diarrhea in piglets. Although discovered decades ago, porcine genogroup E RVs (RVE) are uncommon and their pathogenesis is not studied well...
March 18, 2017: Viruses
https://www.readbyqxmd.com/read/28334725/predominance-of-g9p-4-rotavirus-from-children-with-acute-gastroenteritis-in-northwestern-mexico
#4
Leticia Felix-Valenzuela, Dora Patricia Cooley-García, Manuel Alberto Cano-Rangel, Maria de Los Angeles Durazo-Arvizu, Veronica Mata-Haro
In Mexico, group A rotavirus (RVA) infections remain the most common cause of severe dehydrating diarrhea in children. This study was conducted to examine the circulating RVA strains in the northwest region of Mexico. RVA strains collected from stool samples of children were genotyped, and their partial sequences were analyzed. RT-PCR of the VP4 and VP7 genes showed the partial G9P[4] genotype in all the samples. Sequencing and phylogenetic analysis of the partial VP7 gene amplicons of 10 strains showed that they clustered in the RVA G9 lineage III, and 7 of them showed 100% identity with the reference strain LB1562, which was collected in the USA 2 years earlier...
March 23, 2017: Intervirology
https://www.readbyqxmd.com/read/28333764/determinants-of-rotavirus-transmission-a-lag-non-linear-time-series-analysis
#5
Rolina D van Gaalen, Jan van de Kassteele, Susan J M Hahné, Patricia Bruijning-Verhagen, Jacco Wallinga
Rotavirus is a common viral infection among young children. As in many countries, the infection dynamics of rotavirus in the Netherlands are characterized by an annual winter peak, which was notably low in 2014. Previous work suggested an association between weather factors and both rotavirus transmission and incidence. From epidemic theory, we know that the proportion of susceptible individuals can affect disease transmission. We investigated how these factors are associated with rotavirus transmission in the Netherlands, and their impact on rotavirus transmission in 2014...
March 22, 2017: Epidemiology
https://www.readbyqxmd.com/read/28332371/relationship-between-pentavalent-rotavirus-vaccine-and-intussusception-a-retrospective-study-at-a-single-center-in-korea
#6
Kyu Yeun Kim, Dong Soo Kim
PURPOSE: Despite withdrawal of RotaShield® and the development of second generation live attenuated rotavirus vaccines, concerns remain regarding the relationship between rotavirus vaccine and intussusception. Nevertheless, since there is no study in Korea, we reviewed data from cases at Severance Children's Hospital to determine the association between rotavirus vaccine and intussusception. MATERIALS AND METHODS: Patients coded as intussusception and following a prescription of RotaTeq® from 2007 to 2013 were reviewed...
May 2017: Yonsei Medical Journal
https://www.readbyqxmd.com/read/28331496/nitazoxanide-in-acute-rotavirus-diarrhea-a-randomized-control-trial-from-a-developing-country
#7
Samarendra Mahapatro, Nijwm Mahilary, Amit Kumar Satapathy, Rashmi Ranjan Das
Background. Acute diarrhea is one of the leading causes of childhood mortality, with rotavirus being an important pathogen. Nitazoxanide, an antiparasitic agent, has been shown to inhibit rotavirus. Objective. This double-blind, randomized trial was designed to study the role of nitazoxanide in acute rotavirus diarrhea. Methods. Of 174 children (12 months to 5 years) with acute diarrhea, 50 rotavirus positive cases were randomized. The intervention group received syrup nitazoxanide twice daily (100 mg in 12-47 months, 200 mg in ≥4 yr) for 3 days along with standard treatment of diarrhea...
2017: Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28329092/secretor-and-salivary-abo-blood-group-antigen-status-predict-rotavirus-vaccine-take-in-infants
#8
Abdul Momin Kazi, Margaret M Cortese, Ying Yu, Benjamin Lopman, Ardythe L Morrow, Jessica A Fleming, Monica M McNeal, A Duncan Steele, Umesh D Parashar, Anita K M Zaidi, Asad Ali
Histo-blood group antigens (HBGA) expressed on enterocytes are proposed receptors for rotaviruses and can be measured in saliva. Among 181 Pakistani infants in a G1P[8] rotavirus vaccine trial that were seronegative at baseline, anti-rotavirus IgA seroconversion rates after 3 vaccine doses differed significantly by HBGA phenotype: lowest (19%) among infants who were non-secretors (ie, do not express the carbohydrate synthesized by FUT2 gene), intermediate among non-blood group O secretors (30%) and highest (51%) among O-blood group secretors...
January 18, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28328346/efficacy-of-a-low-cost-heat-stable-oral-rotavirus-vaccine-in-niger
#9
Sheila Isanaka, Ousmane Guindo, Celine Langendorf, Amadou Matar Seck, Brian D Plikaytis, Nathan Sayinzoga-Makombe, Monica M McNeal, Nicole Meyer, Eric Adehossi, Ali Djibo, Bruno Jochum, Rebecca F Grais
Background Each year, rotavirus gastroenteritis is responsible for about 37% of deaths from diarrhea among children younger than 5 years of age worldwide, with a disproportionate effect in sub-Saharan Africa. Methods We conducted a randomized, placebo-controlled trial in Niger to evaluate the efficacy of a live, oral bovine rotavirus pentavalent vaccine (BRV-PV, Serum Institute of India) to prevent severe rotavirus gastroenteritis. Healthy infants received three doses of the vaccine or placebo at 6, 10, and 14 weeks of age...
March 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28328339/rotavirus-vaccines-a-new-hope
#10
EDITORIAL
Mathuram Santosham, Duncan Steele
Rotavirus gastroenteritis is the leading cause of diarrhea-associated hospitalization and death in children younger than 5 years of age, with more than 85% of the approximately 200,000 annual rotavirus deaths occurring in Africa and Asia. Since improvements in water, sanitation, and hygiene do not..
March 23, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28327111/temporal-distribution-of-gastroenteritis-viruses-in-ouagadougou-burkina-faso-seasonality-of-rotavirus
#11
Nafissatou Ouedraogo, Stephanie Moustapha Tomba Ngangas, Isidore Juste Ouindguèta Bonkoungou, Aissatou Bénéwendé Tiendrebeogo, Kuan Abdoulaye Traore, Idrissa Sanou, Alfred Sababénédjo Traore, Nicolas Barro
BACKGROUND: Acute gastroenteritis is one of the most common diseases among children and adults, and continues to cause a major problem of public health in Burkina Faso. The temporal pattern of rotavirus, norovirus, sapovirus, astrovirus, adenovirus and Aichivirus A was studied by examining prevalence of gastroenteritis viruses in association with meteorological variables in Ouagadougou, Burkina Faso. METHODS: Stool samples from 263 children under 5 years of age and 170 older children patients, adolescent and adults with gastroenteritis were collected in Ouagadougou, Burkina Faso from November 2011 to September 2012...
March 21, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28323855/etiology-of-acute-diarrhea-in-the-elderly-in-china-a-six-year-observational-study
#12
Zike Zhang, Shengjie Lai, Jianxing Yu, Qibin Geng, Wanqi Yang, Yu Chen, Jianguo Wu, Huaiqi Jing, Weizhong Yang, Zhongjie Li
Acute diarrhea leads to a substantial disease burden among the elderly worldwide. However, in the context of increasingly aging trend in China, the prevalence of etiological agents among elderly diarrheal patients was undetermined. This study aimed to explore the major enteropathogens of acute diarrhea among outpatients older than 65 years in China, and also the epidemiological features of the pathogens. Demographic and clinical data for acute diarrhea among outpatients older than 65 years were collected from 213 participating hospitals from 2009 to 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28322925/il-22-suppresses-the-infection-of-porcine-enteric-coronaviruses-and-rotavirus-by-activating-stat3-signal-pathway
#13
Mei Xue, Jing Zhao, Lan Ying, Fang Fu, Lin Li, Yanlong Ma, Hongyan Shi, Jiaoer Zhang, Li Feng, Pinghuang Liu
Interleukin-22 (IL-22), a member of the IL-10 superfamily, plays essential roles in fighting against mucosal microbial infection and maintaining mucosal barrier integrity within the intestine. However, little knowledge exists on the ability of porcine IL-22 (pIL-22) to fight against viral infection in the gut. In this study, we found that recombinant mature pIL-22 (mpIL-22) inhibited the infection of multiple diarrhea viruses, including alpha coronavirus, porcine epidemic diarrhea virus (PEDV), transmissible gastroenteritis virus (TGEV), and porcine rotavirus (PoRV), in the intestinal porcine epithelial cell line J2 (IPEC-J2) cells...
March 16, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28321789/longitudinal-study-of-bovine-rotavirus-group-a-in-newborn-calves-from-vaccinated-and-unvaccinated-dairy-herds
#14
Thaís Gomes Rocha, Fernanda Dornelas Florentino Silva, Fábio Gregori, Amauri Alcindo Alfieri, Maria da Glória Buzinaro, José Jurandir Fagliari
Reports of rotavirus excretion in calves usually result from cross-sectional studies, and in face of the conflicting results regarding protection of calves born to vaccinated dams against diarrhea, the aim of the present study was to evaluate rotavirus excretion in dairy calves born to vaccinated or unvaccinated dams, to identify the genotypes of bovine rotavirus group A (RVA) strains isolated from these animals as well as to investigate characteristics of the disease in naturally occurring circumstances throughout the first month of life...
March 20, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28320411/human-rotavirus-strains-circulating-in-venezuela-after-vaccine-introduction-predominance-of-g2p-4-and-reemergence-of-g1p-8
#15
Esmeralda Vizzi, Oscar A Piñeros, M Daniela Oropeza, Laura Naranjo, José A Suárez, Rixio Fernández, José L Zambrano, Argelia Celis, Ferdinando Liprandi
BACKGROUND: Rotavirus (RV) is the most common cause of severe childhood diarrhea worldwide. Despite Venezuela was among the first developing countries to introduce RV vaccines into their national immunization schedules, RV is still contributing to the burden of diarrhea. Concerns exist about the selective pressure that RV vaccines could exert on the predominant types and/or emergence of new strains. RESULTS: To assess the impact of RV vaccines on the genotype distribution 1 year after the vaccination was implemented, a total of 912 fecal specimens, collected from children with acute gastroenteritis in Caracas from February 2007 to April 2008, were screened, of which 169 (18...
March 21, 2017: Virology Journal
https://www.readbyqxmd.com/read/28320203/dietary-pectic-oligosaccharide-administration-improves-the-growth-performance-and-immunity-in-weaned-pigs-infected-by-rotavirus
#16
Hao Chen, Haiyan Hu, Daiwen Chen, Jun Tang, Bing Yu, Junqiu Luo, Jun He, Yuheng Luo, Jie Yu, Xiangbing Mao
Rotavirus infection is one of the main pathogenic causes of gastroenteritis and diarrhea in children and young animals. The present study aimed to determine whether dietary pectic oligosaccharide (POS) supplementation could improve the growth performance and immunity in weaned pigs infected by porcine rotavirus (PRV). Twenty-eight crossbred weaned galts were randomly divided into two groups fed with basal diet with or without POS for 18 d. On 15th day, the PRV were orally infused to half of the pigs. ADFI, ADG and F/G ratio were impaired by PRV infection in weaned pigs (P < 0...
March 21, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28316465/chicken-egg-yolk-antibodies-igy-for-prophylaxis-and-treatment-of-rotavirus-diarrhea-in-human-and-animal-neonates-a-concise-review
#17
Hlaing Myat Thu, Theingi Win Myat, Mo Mo Win, Kyaw Zin Thant, Shofiqur Rahman, Kouji Umeda, Sa Van Nguyen, Faustino C Icatlo, Kyoko Higo-Moriguchi, Koki Taniguchi, Takao Tsuji, Keiji Oguma, Sang Jong Kim, Hyun Suk Bae, Hyuk Joon Choi
The rotavirus-induced diarrhea of human and animal neonates is a major public health concern worldwide. Until recently, no effective therapy is available to specifically inactivate the rotavirion particles within the gut. Passive immunotherapy by oral administration of chicken egg yolk antibody (IgY) has emerged of late as a fresh alternative strategy to control infectious diseases of the alimentary tract and has been applied in the treatment of diarrhea due to rotavirus infection. The purpose of this concise review is to evaluate evidence on the properties and performance of anti-rotavirus immunoglobulin Y (IgY) for prevention and treatment of rotavirus diarrhea in human and animal neonates...
2017: Korean Journal for Food Science of Animal Resources
https://www.readbyqxmd.com/read/28303815/prevalence-and-characterization-of-rotaviruses-in-children-hospitalized-for-diarrheal-disease-in-a-tertiary-care-hospital-pune
#18
Sae Satish Pol, Ashwini Kacharu Dedwal, Sujata Sudhir Ranshing, Shobha Dattatray Chitambar, Sushma Narayan Pednekar, Renu Satish Bharadwaj
BACKGROUND: Diarrhoea remains the second most common cause of death among children below 5 years globally. Among various enteric pathogens, rotavirus appears to be the most important aetiological agent of acute gastroenteritis in infants and young children. Increased understanding of epidemiology of rotavirus infections is needed to improve the vaccine efficacy. AIM: This study aims to determine prevalence rotavirus infection and prevalent circulating strains of rotavirus in and around Pune...
January 2017: Indian Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28303609/pathological-analysis-of-children-with-childhood-central-nervous-system-infection-based-on-changes-in-chemokines-and-interleukin-17-family-cytokines-in-cerebrospinal-fluid
#19
Shinichiro Morichi, Tomomi Urabe, Natsumi Morishita, Mika Takeshita, Yu Ishida, Shingo Oana, Gaku Yamanaka, Yasuyo Kashiwagi, Hisashi Kawashima
BACKGROUND: In this study, the pathologies of acute meningitis and encephalopathy were investigated, and biomarkers useful as prognostic indices were searched for. METHODS: The subjects were 31 children with meningitis, 30 with encephalopathy, and 12 with convulsions following gastroenteritis. Control group consisted of 24 children with non-central nervous system infection. Cerebrospinal fluid cytokine analysis was performed. RESULTS: Chemokines significantly increased in the bacterial meningitis group compared with those in viral meningitis and encephalopathy groups...
March 17, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28302145/genomic-organization-and-recombination-analysis-of-a-porcine-sapovirus-identified-from-a-piglet-with-diarrhea-in-china
#20
Jingjiao Li, Quan Shen, Wen Zhang, Tingting Zhao, Yi Li, Jing Jiang, Xiangqian Yu, Zhibo Guo, Li Cui, Xiuguo Hua
BACKGROUND: Sapovirus (SaV), a member of the family Caliciviridae, is an etiologic agent of gastroenteritis in humans and pigs. To date, both intra- and inter-genogroup recombinant strains have been reported in many countries except for China. Here, we report an intra-genogroup recombination of porcine SaV identified from a piglet with diarrhea of China. METHODS: A fecal sample from a 15-day-old piglet with diarrhea was collected from Shanghai, China. Common agents of gastroenteritis including porcine circovirus type 2, porcine rotavirus, porcine transmissible gastroenteritis virus, porcine SaV, porcine norovirus, and porcine epidemic diarrhea virus were detected by RT-PCR or PCR method...
March 16, 2017: Virology Journal
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