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https://www.readbyqxmd.com/read/28444656/subacute-myocarditis-associated-with-bocavirus-infection-in-an-8-week-old-infant
#1
Hannes Sallmon, ElenaJuan Lopez, Sven Weber, Susanne Herrmann, Felix Berger, Guido Haverkämper
No abstract text is available yet for this article.
March 2017: Klinische Pädiatrie
https://www.readbyqxmd.com/read/28443581/bocavirus-viremia-and-hepatitis-in-an-%C3%A4-mmunocompetent-childa
#2
Zeliha Haytoğlu, Oğuz Canan
BACKGROUND: So far, many studies have shown that Human Bocavirus (HBoV) is the main pathogen of the respiratory tract. In most studies about HBoV, detection of the virus were made from mainly respiratory samples obtained from the patients admitted to the hospital with acute respiratory tract infection. Until now, there is no study that proves the association between HBoV and hepatitis. HBoV viremia/DNAemia has been associated closely with acute primary infection and moderate-to-severe illness but, more detailed clinical data about HBoV dissemination are still unknown...
April 13, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28410597/the-role-of-nuclear-localization-signal-in-parvovirus-life-cycle
#3
REVIEW
Peng Liu, Shun Chen, Mingshu Wang, Anchun Cheng
Parvoviruses are small, non-enveloped viruses with an approximately 5.0 kb, single-stranded DNA genome. Usually, the parvovirus capsid gene contains one or more nuclear localization signals (NLSs), which are required for guiding the virus particle into the nucleus through the nuclear pore. However, several classical NLSs (cNLSs) and non-classical NLSs (ncNLSs) have been identified in non-structural genes, and the ncNLSs can also target non-structural proteins into the nucleus. In this review, we have summarized recent research findings on parvovirus NLSs...
April 14, 2017: Virology Journal
https://www.readbyqxmd.com/read/28385838/first-complete-genome-sequences-of-porcine-bocavirus-strains-from-east-africa
#4
J O Amimo, J Njuguna, E Machuka, E Okoth, A Djikeng
Here, we report the first complete genome sequences of two strains of porcine bocavirus (JOA_011 and JOA_015) detected in Uganda and Kenya, respectively. These data will help in understanding the molecular and evolutionary characteristics of the porcine bocaviruses in this region and the development of appropriate diagnostic and control tools.
April 6, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28379530/comparative-diagnosis-of-human-bocavirus-1-respiratory-infection-by-mrna-rt-pcr-dna-quantitative-pcr-and-serology
#5
Man Xu, Benedict Arku, Tuomas Jartti, Janne Koskinen, Ville Peltola, Klaus Hedman, Maria Söderlund-Venermo
Background: Human bocavirus (HBoV) 1 can cause life-threatening respiratory tract infection in children. Diagnosing acute HBoV1 infection is challenging due to long-term airway persistence. We assessed whether messenger (m)RNA detection would correlate better than DNA detection, with acute HBoV1 infection. Methods: Paired sera of 121 children with acute wheezing were analyzed by serology. Quantitative (q)PCR and reverse-transcription (RT)-PCR were applied to nasopharyngeal swabs (NPS) of all acutely HBoV1-infected children and of non-acute controls...
April 4, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28373908/surveillance-for-respiratory-infectious-diseases-caused-by-6-common-viruses-in-a-recruit-training-site-in-the-northern-region-of-china
#6
Wei-Wei Chen, Wen Xu, Yang-Xin Xie, Yun-Hui Zhang, Dan Wu, Fu-Sheng Wang, Min Zhao
BACKGROUND: Recruit training sites are places with a high incidence of respiratory infectious diseases. Effective surveillance for acute respiratory infectious diseases in a recruit training site is an important way to prevent disease outbreaks. METHODS: Eight hundred recruits (722 males and 78 females) enlisted in autumn 2015 received a background survey within 24 h of settlement at the recruit training site, including their general personal information, vaccination history, mental status and clinical symptoms...
2017: Military Medical Research
https://www.readbyqxmd.com/read/28368491/viral-pathogen-detection-by-metagenomics-and-pan-viral-group-pcr-in-children-with-pneumonia-lacking-identifiable-etiology
#7
Robert Schlaberg, Krista Queen, Keith Simmon, Keith Tardif, Chris Stockmann, Steven Flygare, Brett Kennedy, Karl Voelkerding, Anna Bramley, Jing Zhang, Karen Eilbeck, Mark Yandell, Seema Jain, Andrew T Pavia, Suxiang Tong, Krow Ampofo
Background: Community-acquired pneumonia (CAP) is a leading cause of pediatric hospitalization. Pathogen identification fails in ~20% of children but is critical for optimal treatment and prevention of hospital-acquired infections. We used two broad-spectrum detection strategies to identify pathogens in test-negative children with CAP and asymptomatic controls. Methods: Nasopharyngeal/oropharyngeal (NP/OP) swabs from 70 children <5 years with CAP of unknown etiology and 90 asymptomatic controls were tested by next-generation sequencing (RNA-seq) and pan viral group (PVG) PCR for 19 viral families...
March 25, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28367738/comparison-of-the-fast-track-diagnostics-respiratory-21-and-seegene-allplex-multiplex-polymerase-chain-reaction-assays-for-the-detection-of-respiratory-viruses
#8
Kevin Barratt, Trevor P Anderson, Jennifer A Fahey, Lance C Jennings, Anja M Werno, David R Murdoch
BACKGROUND: Real-time multiplex PCR assays are increasingly used for respiratory virus detection, and offer automated analysis in a closed tube system, but they have the disadvantage of low-throughput due to multiplexing limitations. In this study, the established fast-track respiratory 21 assay (FTD) (fast-track diagnostics, Junglinster Luxembourg) was compared to the new Seegene Allplex assay (Seegene) (Seegene Inc. Seoul, Korea) which offers greater multiplexing as multiple targets can be detected in each fluorescence channel...
April 2017: British Journal of Biomedical Science
https://www.readbyqxmd.com/read/28348774/latent-infection-of-human-bocavirus-accompanied-by-flare-of-chronic-cough-fatigue-and-episodes-of-viral-replication-in-an-immunocompetent-adult-patient-cologne-germany
#9
Wolfram Windisch, Monika Pieper, Inga Ziemele, Jürgen Rockstroh, Michael Brockmann, Oliver Schildgen, Verena Schildgen
INTRODUCTION: The human bocavirus (HBoV) is a parvovirus and is associated with mild to life-threatening acute or persisting respiratory infections, frequently accompanied by further pathogens. So far, there is limited knowledge on the mechanisms of persistence, and no reports on chronic infections or latency have been published so far. CASE PRESENTATION: An immunocompetent male patient suffers from a chronic HBoV1 infection, i.e. viral DNA was detected in both serum and bronchoalveolar lavage (BAL) for >5 months without co-infections and with respiratory symptoms resolved spontaneously while receiving symptomatic treatment with montelukast and corticosteroids...
August 2016: JMM Case Reports
https://www.readbyqxmd.com/read/28331084/structural-insights-into-emerging-pediatric-pathogens-human-bocaparvoviruses
#10
Mario Mietzsch, Shweta Kailasan, Jamie Garrison, Maria Ilyas, Paul Chipman, Kalle Kantola, Mandy E Janssen, John Spear, Duncan Sousa, Robert McKenna, Kevin Brown, Maria Söderlund-Venermo, Timothy Baker, Mavis Agbandje-McKenna
Bocaparvoviruses are emerging pathogens of the Parvoviridae family. Human bocaviruses 1 (HBoV1) causes severe respiratory infections and HBoV2-4 gastrointestinal infections in young children. Recent reports of life threatening cases, lack of direct treatment or vaccination, and a limited understanding of their disease mechanisms demand the need to study these pathogens on a molecular and structural level for the development of therapeutics. Towards this end, the capsid structures of HBoV1, HBoV3, and HBoV4 were determined to 2...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28306724/respiratory-dna-viruses-are-undetectable-in-nasopharyngeal-secretions-from-adenotonsillectomized-children
#11
Ronaldo Bragança Martins, Lucas Penna Rocha, Mirela Moreira Prates, Talita Bianca Gagliardi, Balduino Biasoli, Marcelo Junqueira Leite, Guilherme Buzatto, Miguel Angelo Hyppolito, Davi Casale Aragon, Edwin Tamashiro, Fabiana Cardoso Pereira Valera, Eurico Arruda, Wilma Terezinha Anselmo-Lima
Respiratory viruses are frequently detected in association with chronic tonsillar hypertrophy in the absence of symptoms of acute respiratory infection (ARI). The present analysis was done in follow-up to a previous clinical study done by this same group. Nasopharyngeal washes (NPWs) were obtained from 83 of 120 individuals at variable times post adenotonsillectomy, in the absence of ARI symptoms. A look back at virus detection results in NPWs from the same 83 individuals at the time of tonsillectomy revealed that 73...
2017: PloS One
https://www.readbyqxmd.com/read/28302206/-relationship-between-viral-load-of-human-bocavirus-and-clinical-characteristics-in-children-with-acute-lower-respiratory-tract-infection
#12
Xiao-Fang Ding, Bing Zhang, Li-Li Zhong, Le-Yun Xie, Ni-Guang Xiao
OBJECTIVE: To investigate the prevalence of human bocavirus (HBoV) in children with acute lower respiratory tract infection and to explore the relationship between the viral load of HBoV and the clinical characteristics of acute lower respiratory tract infection in children. METHODS: A total of 1 554 nasopharyngeal aspirates from children who were hospitalized due to acute lower respiratory tract infection between March 2011 and March 2014 were collected. Quantitative real-time PCR was used to detect 12 RNA and 2 DNA viruses, adenovirus (ADV) and HBoV, and to measure the viral load of HBoV in HBoV-positive children...
March 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28301570/human-metapnuemovirus-infections-in-hospitalized-children-and-comparison-with-other-respiratory-viruses-2005-2014-prospective-study
#13
María Luz García-García, Cristina Calvo, Cristina Rey, Beatriz Díaz, Maria Del Mar Molinero, Francisco Pozo, Inmaculada Casas
BACKGROUND: Human metapneumovirus (HMPV) has an important etiological role in acute lower respiratory infections in children under five years. Our objectives were to estimate the relative contribution of HMPV to hospitalization in children with acute respiratory infection, to define the clinical and epidemiological features of HMPV single and multiple infections, and to compare HMPV infections with respiratory syncytial virus (HRSV), rhinovirus (HRV), adenovirus and human bocavirus infections in the same population...
2017: PloS One
https://www.readbyqxmd.com/read/28262277/-the-interactions-between-microorganisms-and-the-small-airways-a-paediatric-focus
#14
REVIEW
J de Blic, J Brouard, A Vabret, A Deschildre
The spectrum of respiratory viruses is expanding and emerging diseases have been described regularly over the last fifteen years. The origin of these emerging respiratory viruses may be zoonotic (by crossing species barrier, after changes to RNA viruses such as avian influenza virus type A or coronaviruses), or related to the use of new identification techniques (metapneumovirus, bocavirus). The relationship between bronchiolitis and asthma is now better understood thanks to prospective follow up of birth cohorts...
February 2017: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/28231295/the-pathogens-profile-in-children-with-otitis-media-with-effusion-and-adenoid-hypertrophy
#15
G P Buzatto, E Tamashiro, J L Proenca-Modena, T H Saturno, M C Prates, T B Gagliardi, L R Carenzi, E T Massuda, M A Hyppolito, F C P Valera, E Arruda, W T Anselmo-Lima
OBJECTIVES: To evaluate the presence of viruses and bacteria in middle ear and adenoids of patients with and without otitis media with effusion (OME). METHODS: Adenoid samples and middle ear washes (MEW) were obtained from children with OME associated with adenoid hypertrophy undergoing adenoidectomy and tympanostomy, and compared to those obtained from patients undergoing cochlear implant surgery, as a control group. Specific DNA or RNA of 9 respiratory viruses (rhinovirus, influenza virus, picornavirus, syncytial respiratory virus, metapneumovirus, coronavirus, enterovirus, adenovirus and bocavirus) and 5 bacteria (S...
2017: PloS One
https://www.readbyqxmd.com/read/28215586/role-of-human-bocavirus-in-idiopathic-pulmonary-fibrosis
#16
LETTER
Wolfram Windisch, Verena Schildgen, Oliver Schildgen
No abstract text is available yet for this article.
February 17, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28198551/prevalence-and-clinical-profile-of-human-bocavirus-in-children-with-acute-gastroenteritis-in-chengdu-west-china-2012-2013
#17
Tao Zhou, Yuhang Chen, Jiayi Chen, Pengwei Hu, Tianli Zheng, Xin Xu, Xiaofang Pei
Viral acute gastroenteritis (AGE) is a major cause of mortality in childhood and leads to hospitalization in developing countries. Human bocavirus (HBoV) is a newly described virus associated with gastroenteritis. However, little is known about the clinical and epidemiological profile of human bocavirus (HBoV) in pediatric population in Chengdu, China. Between January 2012 and December 2013, 346 fecal samples from children admitted to hospital with acute gastroenteritis were tested for the presence of HBoV as well as other gastroenteritis viruses...
February 15, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28186546/case-control-assessment-of-the-roles-of-noroviruses-human-bocaviruses-2-3-and-4-and-novel-polyomaviruses-and-astroviruses-in-acute-childhood-diarrhea
#18
Rimma Melamed, Gregory A Storch, Lori R Holtz, Eileen J Klein, Brittany Herrin, Phillip I Tarr, Donna M Denno
No abstract text is available yet for this article.
February 10, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28178324/correction-b-cell-responses-to-human-bocaviruses-1-4-new-insights-from-a-childhood-follow-up-study
#19
Kalle Kantola, Lea Hedman, Laura Tanner, Ville Simell, Marjaana Mäkinen, Juulia Partanen, Mohammadreza Sadeghi, Riitta Veijola, Mikael Knip, Jorma Ilonen, Heikki Hyöty, Jorma Toppari, Olli Simell, Klaus Hedman, Maria Söderlund-Venermo
[This corrects the article DOI: 10.1371/journal.pone.0139096.].
2017: PloS One
https://www.readbyqxmd.com/read/28160215/the-impact-of-the-extreme-amazonian-flood-season-on-the-incidence-of-viral-gastroenteritis-cases
#20
Carmen Baur Vieira, Adriana de Abreu Corrêa, Michele Silva de Jesus, Sérgio Luiz Bessa Luz, Peter Wyn-Jones, David Kay, Mônica Simões Rocha, Marize Pereira Miagostovich
During the Amazonian flood season in 2012, the Negro River reached its highest level in 110 years, submerging residential and commercial areas which appeared associated with an elevation in the observed gastroenteritis cases in the city of Manaus. The aim of this study was to evaluate the microbiological water quality of the Negro River basin during this extreme flood to investigate this apparent association between the illness cases and the population exposed to the contaminated waters. Forty water samples were collected and analysed for classic and emerging enteric viruses...
February 3, 2017: Food and Environmental Virology
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