Sewage surveillance of SARS-CoV-2 at student campus residences in the Western Cape, South AfricaArticle Published on 2022-12-102022-11-15 Journal: The Science of the total environment [Category] COVID19(2023년), SARS, 변종, 치료기술, 치료제, [키워드] activity acute respiratory syndrome Cape collected coronavirus coronavirus disease country COVID-19 defined Delta diagnostic Efficacy Epidemiology evaluated genotyping Infection infections institution management monitoring Near-source WBE omicron outbreak Passive Passive sampling reported RT-qPCR SARS-CoV-2 sewage South Africa Stellenbosch Stellenbosch University student Student campus residences Surveillance Thermo Fisher variant wastewater Wastewater-based epidemiology. [DOI] 10.1016/j.scitotenv.2022.158028 PMC 바로가기
The spike gene target failure (SGTF) genomic signature is highly accurate for the identification of Alpha and Omicron SARS-CoV-2 variantsArticle Published on 2022-11-082022-11-15 Journal: Scientific Reports [Category] SARS, 변종, 유전자 메커니즘, 치료기술, 치료제, [키워드] 95% CI Accuracy Alpha variant Amino acid Analysis B.1.1.529 B.1.1.7 cause Del detect evaluated genomic Laboratory Mutation omicron positive Positive predictive value Protein resulting RT-PCR S gene SARS-CoV-2 SARS-CoV-2 RT-PCR SARS-CoV-2 variant Sensitivity and specificity sequenced Sequencing spike gene TaqPath tested the Spike Thermo Fisher variant variants of concern VoC [DOI] 10.1038/s41598-022-21564-y PMC 바로가기
Influence of the Delta Variant and Vaccination on the SARS-CoV-2 Viral LoadSARS-COV-2 바이러스 부하에 대한 델타 변종 및 예방 접종의 영향Article Published on 2022-02-042022-09-01 Journal: Viruses [Category] COVID19(2023년), MERS, SARS, 변종, 진단, [키워드] age and sex Alpha assays conducted COVID-19 Delta delta variant diagnosed dose doses Evolution Host Infection infections influence lead load nasopharyngeal Patient Prospective Study reducing SARS-CoV-2 SARS-COV-2 infection SARS-CoV-2 RNA single center Symptom symptom onset Symptoms the SARS-CoV-2 Thermo Fisher university vaccination Vaccination Status variant variants Viral Viral load viral spread virus were assessed were recorded [DOI] 10.3390/v14020323 PMC 바로가기 [Article Type] Article
Quantitative measurement of IgG to SARS‐CoV‐2 antigens using monoclonal antibody‐based enzyme‐linked immunosorbent assaysOriginal Article Published on 2022-01-302022-10-31 Journal: Clinical & Translational Immunology [Category] COVID-19, [키워드] analysed Analysis Antigen antigens AUC BAU binding BNT162b2 vaccine carried characteristic Characteristics Concentration Control COVID‐19 develop ELISA ELISAs enzyme equipment humoral immune response IgG IgG antibody IgG level Immunity immunoassay Immunoglobulin immunosorbent individual International Laboratory median monoclonal monoclonal antibody nucleocapsid objective parallelism Protein quantification Quantitative Quantitative analysis quantitative enzyme‐linked immunosorbent assay repeatability Result ROC SARS‐CoV‐2 second vaccination sensitivity sera specificity Spike‐S1 protein standardisation study group subject tested the study group Thermo Fisher vaccination were used WHO [DOI] 10.1002/cti2.1369 PMC 바로가기 [Article Type] Original Article
Evaluation of the SARS-CoV-2 Inactivation Efficacy Associated With Buffers From Three Kits Used on High-Throughput RNA Extraction PlatformsCellular and Infection Microbiology Published on 2021-09-162022-10-31 Journal: Frontiers in Cellular and Infection Microbiology [Category] COVID-19, MERS, SARS, [키워드] acid addition biosafety Clinical diagnosis clinical samples Combination Culture demonstrated diagnostic Efficacy evaluated extraction guanidinium heat high throughput inactivation infectious dose isopropanol Laboratory laboratory-acquired infection lysis buffer operator PCR platform Qiagen Rapid reduced reduction Result RNA RNA extraction SARS-CoV-2 shown TCID tested the SARS-CoV-2 Thermo Fisher tissue titre Treatment viral RNA extraction Viral transport medium virus Volume VTM [DOI] 10.3389/fcimb.2021.716436 PMC 바로가기 [Article Type] Cellular and Infection Microbiology
Antibodies against type I interferon: detection and association with severe clinical outcome in COVID‐19 patientsShort Communication Published on 2021-08-172022-10-31 Journal: Clinical & Translational Immunology [Category] COVID-19, [키워드] addition admitted to ICU antibody antiviral immune response association autoantibodies autoantibody circulating Clinical characteristics Clinical course Clinical outcome Cohort Concentration COVID‐19 COVID‐19 patient COVID‐19 patients COVID‐19 Critical Critically ill critically ill patients Deleterious evaluate explained France higher risk hospice ICU IFN Immunity impairment IMPROVE intensive care unit majority Mild neutralising Neutralising activity neutralize no significant difference objective outcome pandemic progresses Patient positive Prevalence quantification reported Result SARS‐CoV‐2 virus sera serum subset subtype the disease Thermo Fisher type I Type I IFN type I interferon viral infection was determined [DOI] 10.1002/cti2.1327 PMC 바로가기 [Article Type] Short Communication
Comparative evaluation of the Thermo fisher TaqPath™ COVID-19 combo kit with the Cepheid Xpert® Xpress SARS-CoV-2 assay for detecting SARS-CoV-2 in nasopharyngeal specimens비 인두 표본에서 SARS-COV-2를 검출하기위한 Cepheid Xpert® XPRESS SARS-COV-2 분석과 함께 Thermo Fisher TaqPath ™ Covid-19 Combo Kit의 비교 평가Comparative Study Published on 2021-06-302022-09-01 Journal: BMC Infectious Diseases [Category] MERS, SARS, 진단, 치료기술, [키워드] Amplification assay assays Cepheid comparable Comparative COVID-19 detect diagnostics EUA evaluated experimental validation favor gene amplification Gene amplification tests molecular nasopharyngeal nasopharyngeal specimen PCR PCR assay performed positive producing Randomly Result Sanger sequencing SARS-CoV-2 selected specimen specimens TaqPath TaqPath combo kit tested Thermo Thermo Fisher Thermo Fisher Scientific Xpert Xpress SARS-CoV-2 assay [DOI] 10.1186/s12879-021-06347-6 PMC 바로가기 [Article Type] Comparative Study
Evaluation of RNA Extraction-Free Method for Detection of SARS-CoV-2 in Salivary Samples for Mass Screening for COVID-19Research Article Published on 2021-06-292022-10-27 Journal: BioMed Research International [Category] [키워드] Applied Biosystem BGI comparable correlation COVID-19 COVID-19 pandemic detection effective extraction-free method gold standard less mass Nasopharyngeal swab Negative predictive value NPs NPV Positive predictive value PPV RNA RT-PCR kit Saliva salivary Sample SARS-CoV-2 SARS-CoV-2 testing Screening screening method sensitivity Sensitivity and specificity specificity Thermo Fisher time-consuming Variation [DOI] 10.1155/2021/5568350 PMC 바로가기 [Article Type] Research Article
Evaluation of RNA Extraction-Free Method for Detection of SARS-CoV-2 in Salivary Samples for Mass Screening for COVID-19Research Article Published on 2021-06-292022-10-27 Journal: BioMed Research International [Category] COVID-19, MERS, SARS, [키워드] Applied Biosystem BGI comparable correlation COVID-19 COVID-19 pandemic detection effective extraction-free method gold standard less mass Nasopharyngeal swab Negative predictive value NPs NPV Positive predictive value PPV RNA RT-PCR kit Saliva salivary Sample SARS-CoV-2 SARS-CoV-2 testing Screening screening method sensitivity Sensitivity and specificity specificity Thermo Fisher time-consuming Variation [DOI] 10.1155/2021/5568350 PMC 바로가기 [Article Type] Research Article
Evaluation of RNA Extraction-Free Method for Detection of SARS-CoV-2 in Salivary Samples for Mass Screening for COVID-19COVID-19에 대한 질량 스크리닝을위한 타액 샘플에서 SARS-COV-2의 검출을위한 RNA 추출이없는 방법의 평가Research Article Published on 2021-06-292022-09-10 Journal: BioMed Research International [Category] 진단, 치료기술, [키워드] Applied Biosystem BGI comparable correlation COVID-19 COVID-19 pandemic Ct values detection effective extraction-free method gold gold standard Kappa coefficient less mass Nasopharyngeal swab Negative predictive value NPs NPV Positive predictive value PPV Predictive value RNA RNA extraction RT-PCR kit Saliva salivary Sample SARS-CoV-2 SARS-CoV-2 testing Screening screening method sensitivity Sensitivity and specificity specificity Thermo Fisher time-consuming Variation variations [DOI] 10.1155/2021/5568350 PMC 바로가기 [Article Type] Research Article