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501
Development of a Comparative European Orthohantavirus Microneutralization Assay With Multi- Species Validation and Evaluation in a Human Diagnostic Cohort
Published 2020-12-01“…The assay was validated using RT-PCR-confirmed rodent (n=17) and human sera (n=17), DOBV-suspected human sera (n=3) and cohorts of orthohantavirus-negative rodent (n=3) and human sera (n=85). 16/17 RT-PCR-confirmed rodent sera and 18/20 of the RT-PCR-confirmed and DOBV-suspected human sera were serotyped successfully, while for the remaining rodent (n=1) and human sera (n=2) no neutralizing titers could be detected. …”
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502
A Machine Learning Application Based in Random Forest for Integrating Mass Spectrometry-Based Metabolomic Data: A Simple Screening Method for Patients With Zika Virus
Published 2018-04-01“…Recent Zika outbreaks in South America, accompanied by unexpectedly severe clinical complications have brought much interest in fast and reliable screening methods for ZIKV (Zika virus) identification. …”
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503
Identification of CRF66_BF, a New HIV-1 Circulating Recombinant Form of South American Origin
Published 2021-11-01“…Through a Bayesian coalescent analysis, the most recent common ancestor of CRF66_BF was estimated around 1984 in South America, either in Paraguay or Argentina. Among Pr-RT sequences obtained by us from HIV-1-infected Paraguayans living in Spain, 14 (20.9%) of 67 were of CRF66_BF, suggesting that CRF66_BF may be one of the major HIV-1 genetic forms circulating in Paraguay. …”
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504
Insights into the Host Range, Genetic Diversity, and Geographical Distribution of Jingmenviruses
Published 2019-12-01Get full text
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505
COVID-19, SARS-CoV-2, influenza, adenovirus, pneumonia, comparison
Published 2021-12-01“…Results: Among 237 RT-PCR positive patients, 104 (43.9%) were female and 133 (56.1%) were male. …”
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506
Diagnosis of hantavirus infection in humans and rodents in Ribeirão Preto, State of São Paulo, Brazil Diagnóstico de infecção por hantavírus em humanos e roedores em Ribeirão Preto...
Published 2010-08-01“…METHODS: HPCS was diagnosed by means of ELISA and/or RT-PCR in 11 (21.2%) out of 52 suspected cases, and 54.4% of these were fatal. …”
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507
Comparison of Demographic Profile and CT Findings in COVID-19 Pneumonia between First and Second Waves of COVID-19 Pandemic: A Retrospective Study
Published 2022-04-01“…The demographic profile, radiological pattern based on the Radiological Society of North America (RSNA) consensus statement and CT severity index in COVID-19 pneumonia were compared during the peak three months of first and second waves of the pandemic. …”
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508
Molecular and genetic characteristics of the multicomponent flavi-like Kindia tick virus (Flaviviridae) found in ixodes ticks on the territory of the Republic of Guinea
Published 2023-02-01“…The detection of viral RNA was carried out in individual samples of ticks by RT-PCR, followed by the determination of the nucleotide sequence and phylogenetic analysis. …”
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509
Detection of rabies virus in organs unrelated to the central nervous system of experimentally-inoculated vampire bats
Published 2018-07-01“…Viral RNA was detected in brain, salivary gland and tongue tissue by RT-PCR and nested PCR (nPCR). Viral genome was also detected in organs unrelated to the central nervous system. …”
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510
Ethnographic Study at a Music Library Found Students Prefer Short Stopovers and Longer Solitary Study
Published 2014-04-01Get full text
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511
A Newly Emerging Serotype A Strain in Foot-and-Mouth Disease Virus with Higher Severity and Mortality in Buffalo than in Cattle Calves in North Egypt
Published 2023-07-01“…A FMDV genome was detected and serotyped using one-step reverse transcription polymerase chain reactions (RT-PCRs). Nucleotide sequencing of the purified serotype-specific PCR bands was performed, and a maximum likelihood phylogenetic tree based on 600 base pairs of VP1 was constructed. …”
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512
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Low prevalence of hepatitis delta infection in Cuban HBsAg carriers: Prospect for elimination
Published 2023-02-01“…If positive, the samples were analyzed for HDV-RNA using Real-Time RT-PCR targeting the ribozyme and HD antigen domains followed by genotyping based on phylogenetic analysis.ResultsTwo samples were anti-HDV positive [0.39% (95% CI 0.11–1.44)]. …”
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514
Occurrence of SARS-CoV-2 reinfections at regular intervals in Ecuador
Published 2022-09-01“…Suspected reinfections were identified retrospectively from a database of RT-qPCR-positive patients. Cases were confirmed by sequencing viral genomes from the first and second infections using the ONT MinION platform. …”
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515
Global epidemiology of drug resistance after failure of WHO recommended first-line regimens for adult HIV-1 infection: a multicentre retrospective cohort study
Published 2015“…Our primary outcome was tenofovir resistance, defined as presence of K65R/N or K70E/G/Q mutations in the reverse transcriptase (RT) gene. Findings We included 1926 patients from 36 countries with treatment failure between 1998 and 2015. …”
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516
Atypical Porcine Pestivirus as a Novel Type of Pestivirus in Pigs in China
Published 2017-05-01“…Recently, a novel atypical porcine pestivirus (APPV) linked with the development of congenital tremor (CT) in neonatal pigs was described in Europe and the Americas. Here, the first Asian APPV complete polyprotein coding sequence was assembled from serum samples from newborn piglets affected with CT in Southern China, and termed APPV_GD. 14 organ samples from affected piglets were analyzed by quantitative RT-PCR (qRT-PCR) to investigate the tissue tropism of APPV, and 135 serum samples from pigs from 10 farms were used for identifying APPV in adult pigs. …”
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517
Epidemiological and viral features of a cohort of SARS-CoV-2 symptomatic and asymptomatic individuals in an area of the Colombian Caribbean
Published 2020-12-01“…As other world regions, South America has not contained the pandemic’s advance since it lacks the hospital and economic capacities. …”
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518
Emergence and dissemination of equine-like G3P[8] rotavirus A in Brazil between 2015 and 2021
Published 2024-04-01“…To understand its global emergence and dissemination in Brazilian territory, stool samples collected from 11 Brazilian states (n = 919) were genotyped by RT-qPCR and proceeded to sequence the VP7 gene (n = 102, 79 being newly generated) of the G3P[8] samples with pronounced viral loads. …”
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519
Tracing the evolutionary history of hepatitis B virus genotype H endemic to Mexico
Published 2023-05-01“…Ninety-two HBV sequences of the reverse transcriptase (RT) domain of the polymerase gene (~1,251 bp) were analyzed; 48 were genotype H, 43 were genotype F, and the oldest HBV sequence from America was included as the root. …”
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520
Clinical Profile of SARS-CoV-2 Infection: Mechanisms of the Cellular Immune Response and Immunogenetic Markers in Patients from Brazil
Published 2023-07-01“…Methods: This is a cohort study of 70 cases of COVID-19, confirmed by RT-PCR, followed up to 60 days. Plasma Samples and clinical data were. …”
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