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https://www.readbyqxmd.com/read/28430168/classical-swine-fever-an-updated-review
#1
REVIEW
Sandra Blome, Christoph Staubach, Julia Henke, Jolene Carlson, Martin Beer
Classical swine fever (CSF) remains one of the most important transboundary viral diseases of swine worldwide. The causative agent is CSF virus, a small, enveloped RNA virus of the genus Pestivirus. Based on partial sequences, three genotypes can be distinguished that do not, however, directly correlate with virulence. Depending on both virus and host factors, a wide range of clinical syndromes can be observed and thus, laboratory confirmation is mandatory. To this means, both direct and indirect methods are utilized with an increasing degree of commercialization...
April 21, 2017: Viruses
https://www.readbyqxmd.com/read/28427358/cortical-laminar-necrosis-in-dengue-encephalitis-a-case-report
#2
Ravindra Kumar Garg, Imran Rizvi, Rajan Ingole, Amita Jain, Hardeep Singh Malhotra, Neeraj Kumar, Dhruv Batra
BACKGROUND: Dengue encephalitis is a rare neurological manifestation of dengue fever. Its clinical presentation is similar to other viral encephalitides and encephalopathy. No single specific finding on magnetic resonance imaging of dengue encephalitis has yet been documented. They are highly variable and atypical. CASE PRESENTATION: A 15-year boy presented with fever, the headache and altered sensorium of 12-day duration. On neurological examination, his Glasgow Coma Scale score was 10 (E3M4V3)...
April 20, 2017: BMC Neurology
https://www.readbyqxmd.com/read/28425834/rift-valley-fever-vaccines-an-overview-of-the-safety-and-efficacy-of-the-live-attenuated-mp-12-vaccine-candidate
#3
Tetsuro Ikegami
Rift Valley fever (RVF) is a mosquito-borne zoonotic viral disease endemic to Africa and the Arabian Peninsula. High rates of abortion among infected ruminants and hemorrhagic fever in infected humans are major public health concerns. Commercially available veterinary RVF vaccines are important for preventing the spread of the Rift Valley fever virus (RVFV) in endemic countries; however, RVFV outbreaks continue to occur frequently in endemic countries in the 21(st) century. In the U.S., the live-attenuated MP-12 vaccine has been developed for both animal and human vaccination...
April 20, 2017: Expert Review of Vaccines
https://www.readbyqxmd.com/read/28425045/soluble-triggering-receptor-expressed-on-myeloid-cell-1-strem-1-a-potential-biomarker-for-the-diagnosis-of-infectious-diseases
#4
REVIEW
Changlin Cao, Jingxian Gu, Jingyao Zhang
Sensitive and useful biomarkers for the diagnosis and prognosis of infectious diseases have been widely developed. An example of these biomarkers is triggering receptor expressed on myeloid cell-1 (TREM-1), which is a cell surface receptor expressed on monocytes/macrophages and neutrophils. TREM-1 amplifies inflammation by activating the TREM-1/DAP12 pathway. This pathway is triggered by the interaction of TREM-1 with ligands or stimulation by bacterial lipopolysaccharide. Consequently, pro-inflammatory cytokines and chemokines are secreted...
April 19, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28423989/outbreaks-of-bovine-herpesvirus-2-infections-in-calves-causing-ear-and-facial-skin-lesions
#5
Tatiane Terumi Negrão Watanabe, Robert B Moeller, Beate M Crossley, Patricia C Blanchard
We describe 3 outbreaks of superficial dermatitis caused by bovine herpesvirus 2 (BoHV-2) in dairy breed calves. Clinically, all of the affected calves were 12-26 d of age, had alopecia and crusts on the face and ears, and were non-pruritic and afebrile. Affected animals recovered spontaneously without any treatment within 2-4 wk after onset of clinical signs based on 1 herd with follow up. Histologic examination of all skin crust or tissue samples identified neutrophilic inflammation, mild hyperkeratosis, multinucleate syncytial cells, and intranuclear inclusion bodies in the syncytial cells...
April 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28422752/t-bet-b-cells-are-induced-by-human-viral-infections-and-dominate-the-hiv-gp140-response
#6
James J Knox, Marcus Buggert, Lela Kardava, Kelly E Seaton, Michael A Eller, David H Canaday, Merlin L Robb, Mario A Ostrowski, Steven G Deeks, Mark K Slifka, Georgia D Tomaras, Susan Moir, M Anthony Moody, Michael R Betts
Humoral immunity is critical for viral control, but the identity and mechanisms regulating human antiviral B cells are unclear. Here, we characterized human B cells expressing T-bet and analyzed their dynamics during viral infections. T-bet+ B cells demonstrated an activated phenotype, a distinct transcriptional profile, and were enriched for expression of the antiviral immunoglobulin isotypes IgG1 and IgG3. T-bet+ B cells expanded following yellow fever virus and vaccinia virus vaccinations and also during early acute HIV infection...
April 20, 2017: JCI Insight
https://www.readbyqxmd.com/read/28420390/a-novel-viewrna-in-situ-hybridization-method-for-the-detection-of-the-dynamic-distribution-of-classical-swine-fever-virus-rna-in-pk15-cells
#7
Qianyi Zhang, Lu Xu, Yujie Zhang, Tuanjie Wang, Xingqi Zou, Yuanyuan Zhu, Yan Zhao, Cui Li, Kai Chen, Yongfang Sun, Junxiang Sun, Qizu Zhao, Qin Wang
BACKGROUND: Classical swine fever (CSF) is a highly contagious fatal infectious disease caused by classical swine fever virus (CSFV). A better understanding of CSFV replication is important for the study of pathogenic mechanism of CSF. With the development of novel RNA in situ Hybridization method, quantitatively localization and visualization of the virus RNA molecular in cultured cell or tissue section becomes very important tool to address these pivotal pathogenic questions. In this study, we established ViewRNA ISH method to reveal the dynamic distribution of CSFV RNA in PK15 cells...
April 18, 2017: Virology Journal
https://www.readbyqxmd.com/read/28418311/reemergence-of-african-swine-fever-in-zimbabwe-2015
#8
Juanita van Heerden, Kerstin Malan, Biko M Gadaga, Reverend M Spargo
Zimbabwe is the only country in southern Africa with no reported African swine fever (ASF) outbreaks during 1993-2014. However, the 2015 discovery of genotype II ASF virus in Zimbabwe indicates the reemergence of ASF in this country and suggests that this viral genotype may be spreading through eastern and southern Africa.
May 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28416464/microbiological-quality-of-water-in-a-city-with-persistent-and-recurrent-waterborne-diseases-under-tropical-sub-rural-conditions-the-case-of-kikwit-city-democratic-republic-of-the-congo
#9
Alexis B Nienie, Periyasamy Sivalingam, Amandine Laffite, Patience Ngelinkoto, Jean-Paul Otamonga, Alphonse Matand, Crispin K Mulaji, Emmanuel M Biey, Pius T Mpiana, John Poté
The availability of safe drinking water in sub-Saharan countries remains a major challenge because poor sanitation has been the cause of various outbreaks of waterborne disease due to the poor microbiological quality of water used for domestic purposes. The faecal indicator bacteria (FIB) used in the present study included Escherichia coli (E. coli) and Enterococcus (ENT). FIB and aerobic mesophilic bacteria (AMB) were quantified during July 2015 (dry season) and November 2015 (rainy season) in order to assess the quality of drinking water from wells (n=3; P1-P3), and two rivers, the River Lukemi (RLK, n=3) and River Luini (RLN, n=2) in the city of Kikwit, which is located in the province of Kwilu in the Democratic Republic of the Congo...
March 30, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28416383/comparative-characterization-analysis-of-synonymous-codon-usage-bias-in-classical-swine-fever-virus
#10
Xin Xu, Dongliang Fei, Huansheng Han, Honggui Liu, Jiayong Zhang, Yulong Zhou, Chuang Xu, Hongbin Wang, Hongwei Cao, Hua Zhang
Classical swine fever virus (CSFV) is responsible for the highly contagious viral disease of swine, and causes great economic loss in the swine-raising industry. Considering the significance of CSFV, a systemic analysis was performed to study its codon usage patterns. In this study, using the complete genome sequences of 76 CSFV representing three genotypes, we firstly analyzed the relative nucleotide composition, effective number of codon (ENC) and synonymous codon usage in CSFV genomes. The results showed that CSFV is GC-moderate genome and the third-ended codons are not preferentially used...
April 14, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28413489/retrospective-review-of-epidemic-viral-pneumonia-cases-in-turkey-a-multicenter-study
#11
Mustafa Çörtük, Murat Acat, Onur Yazici, Zehra Yasar, Kemal Kiraz, Sena Yapicioglu Ataman, Elif Tanriverdi, Burcak Zitouni, Cenk Kirakli, Ozlem Ediboglu, Fevziye Tuksavul, Adem Dirican, Hale Kefeli Celik, Sevket Ozkaya, Erdogan Cetinkaya
Influenza A (H1N1) caused its first pandemic in 2009 in USA and Mexico. Since then, clinicians have exercised great care in order to make an early diagnosis of viral pneumonias. This is due in part to pandemic influenza A infection having greater impact on populations <65 years old than other viral strains, including seasonal influenza. Chest radiographies of those affected displayed a rapid progression of patchy infiltrates, and a large proportion of individuals required admission to intensive care units (ICU)...
April 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28412690/epidemiological-characteristics-and-clinical-features-of-sporadic-viral-hepatitis-e-hev
#12
Rongrong Liu, Min Liu, Chengrui Geng, Yunmei Zou, Tong Jiao, Lijuan Li Lijuan Li
OBJECTIVE: The study aims to analyze the epidemiological characteristics and clinical features of sporadic viral hepatitis E. METHODS: The 1,000 cases of sporadic viral hepatitis E patients treated in 20 hospitals from May 2013 to May 2016 were selected as research subjects, with their clinical data retrospectively analyzed. RESULTS: (1) Epidemiological characteristics: Seen from the disease time, the 1,000 patients have morbidity throughout the year, but morbidity in hot and rainy summer is significantly higher than other seasons, there exists statistically difference in comparison between the groups (P<0...
November 2016: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28411480/hemorrhagic-fever-with-renal-syndrome-in-albania-focus-on-predictors-of-acute-kidney-injury-in-hfrs
#13
Elvana Rista, Arben Pilaca, Ilir Akshija, Ariol Rama, Endri Harja, Edmond Puca, Silvia Bino, Vilma Cadri, Majlinda Kota, Thereska Nestor, Harxhi Arjan
BACKGROUND: Hemorrhagic fever with renal syndrome (HFRS) is a rodent borne zoonosis, caused by the members of the family Bunyaviridae, genus Hantavirus. The main clinical features of the infection by this virus family are fever, thrombocytopenia and acute kidney injury. OBJECTIVE: The aim of our study was to identify, for the first time, characteristic features of HFRS in the Albanian population. STUDY DESIGN: The study comprised 33 consecutive patients admitted with suspected HFRS from April 2011-April 2016 at one center...
March 31, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28409290/comparison-of-clinical-and-laboratory-characteristics-during-two-major-paediatric-meningitis-outbreaks-of-echovirus-30-and-other-non-polio-enteroviruses-in-germany-in-2008-and-2013
#14
H Rudolph, R Prieto Dernbach, M Walka, P Rey-Hinterkopf, V Melichar, E Muschiol, S Schweitzer-Krantz, J W Richter, C Weiss, S Böttcher, S Diedrich, H Schroten, T Tenenbaum
Viral meningitis is mainly caused by non-polio enteroviruses (NPEV). Large-scale data on the clinical characteristics between different outbreaks within the same region are lacking. This study aimed to analyse a possible influence of the circulating NPEV genotype on the disease outcome of affected children. A retrospective cohort study analysing two major outbreaks of NPEV meningitis in Germany in 2008 and 2013 was conducted in cooperation with the National Reference Centre for Poliomyelitis and Enteroviruses (NRC PE) and five German children's hospitals...
April 13, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28406093/antiviral-activity-of-nobiletin-against-chikungunya-virus-in-vitro
#15
Shih-Chao Lin, Mei-Chun Chen, Shiming Li, Chi-Chen Lin, Tony T Wang
BACKGROUND: Chikungunya virus (CHIKV), a highly contagious re-emerging virus, is transmitted by infected mosquitoes. CHIKV is prevalent in tropical countries and is continuing to creep farther north into temperate areas. CHIKV is responsible for induction of Chikungunya Fever (CF) and severe joint stiffness with the capability of developing into bilateral and systemic arthralgia or even encephalitis. Despite the high morbidity rate, no approved antiviral drug is available. Therefore, an anti-CHIKV therapy is necessary to control this disease...
April 13, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28404864/longitudinal-peripheral-blood-transcriptional-analysis-of-a-patient-with-severe-ebola-virus-disease
#16
John C Kash, Kathie-Anne Walters, Jason Kindrachuk, David Baxter, Kelsey Scherler, Krisztina B Janosko, Rick D Adams, Andrew S Herbert, Rebekah M James, Spencer W Stonier, Matthew J Memoli, John M Dye, Richard T Davey, Daniel S Chertow, Jeffery K Taubenberger
The 2013-2015 outbreak of Ebola virus disease in Guinea, Liberia, and Sierra Leone was unprecedented in the number of documented cases, but there have been few published reports on immune responses in clinical cases and their relationships with the course of illness and severity of Ebola virus disease. Symptoms of Ebola virus disease can include severe headache, myalgia, asthenia, fever, fatigue, diarrhea, vomiting, abdominal pain, and hemorrhage. Although experimental treatments are in development, there are no current U...
April 12, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28403441/clinical-and-laboratory-diagnosis-of-dengue-virus-infection
#17
REVIEW
David A Muller, Alexandra C I Depelsenaire, Paul R Young
Infection with any of the 4 dengue virus serotypes results in a diverse range of symptoms, from mild undifferentiated fever to life-threatening hemorrhagic fever and shock. Given that dengue virus infection elicits such a broad range of clinical symptoms, early and accurate laboratory diagnosis is essential for appropriate patient management. Virus detection and serological conversion have been the main targets of diagnostic assessment for many years, however cross-reactivity of antibody responses among the flaviviruses has been a confounding issue in providing a differential diagnosis...
March 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28402006/virus-myocarditis-in-a-1-month-old-boy-presenting-as-two-types-of-paroxysmal-supraventricular-tachycardia
#18
Shuhei Fujita, Takeshi Futatani, Tatsuya Kubo, Masae Itamochi, Yusuke Yachi, Hidenori Iwasaki, Ayako Shimao, Shihomi Ina, Hiroyuki Higashiyama, Noboru Igarashi, Kiyoshi Hatasaki
Herein we describe the case of a 1-month-old boy with acute viral myocarditis, who presented with two kinds of paroxysmal supraventricular tachycardia, and who was cured after medical treatment. He was brought to the emergency room with poor feeding due to fever. On the third day of hospitalization, a narrow QRS tachycardia (180-200 beats/min) was detected. Echocardiography showed a high echoic area at the atrial septum around the atrioventricular node. The patient was clinically diagnosed with acute myocarditis...
April 12, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28399888/a-guinea-pig-model-of-zika-virus-infection
#19
Mukesh Kumar, Keeton K Krause, Francine Azouz, Eileen Nakano, Vivek R Nerurkar
BACKGROUND: Animal models are critical to understand disease and to develop countermeasures for the ongoing epidemic of Zika virus (ZIKV). Here we report that immunocompetent guinea pigs are susceptible to infection by a contemporary American strain of ZIKV. METHODS: Dunkin-Hartley guinea pigs were inoculated with 10(6) plaque-forming units of ZIKV via subcutaneous route and clinical signs were observed. Viremia, viral load in the tissues, anti-ZIKV neutralizing antibody titer, and protein levels of multiple cytokine and chemokines were analyzed using qRT-PCR, plaque assay, plaque reduction neutralization test (PRNT) and multiplex immunoassay...
April 11, 2017: Virology Journal
https://www.readbyqxmd.com/read/28397519/emerging-vector-borne-diseases-in-dromedaries-in-tunisia-west-nile-bluetongue-epizootic-haemorrhagic-disease-and-rift-valley-fever
#20
Thameur B Hassine, Jihane Amdouni, Federica Monaco, Giovanni Savini, Soufien Sghaier, Imed B Selimen, Walid Chandoul, Khaled B Hamida, Salah Hammami
A total of 118 sera were collected during 2016 from two groups of dromedaries from Kebili and Medenine governorates in the south of Tunisia. The aim of this study was to provide the first serological investigation of four emerging vector-borne diseases in two groups of dromedaries in Tunisia. Sera were tested by ELISA and serum neutralisation test to identify West Nile virus (WNV), bluetongue virus (BTV), epizootic haemorrhagic disease virus (EHDV) and Rift Valley fever virus (RVFV). In the first group, the seroprevalence for BTV was 4...
March 31, 2017: Onderstepoort Journal of Veterinary Research
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