SARS-CoV-2: Viral Loads of Exhaled Breath and Oronasopharyngeal Specimens in Hospitalized Patients with COVID-19SARS-CoV-2: COVID-19로 입원한 환자의 호기 및 구강 비인두 표본의 바이러스 부하Article Published on 2021-09-012022-09-11 Journal: International Journal of Infectious Diseases [Category] SARS, 변종, 치료기술, [키워드] Airborne transmission Assessing breath Chain Reaction COVID-19 COVID-19 patient Delta examined Exhaled Breath Hospitalization hospitalized COVID-19 patients hospitalized patient hospitalized patients individual infectiousness load no correlation noninvasive Pharyngeal swab polymerase chain polymerase chain reaction positive proof of concept Quantitative Respiratory droplets reverse transcription SARS-CoV-2 SARS-CoV-2 RNA SARS-CoV-2 RNA detection SARS-CoV-2 viral load significantly higher specimen Swab tested variant Viral load viral loads was determined was performed widespread with COVID-19 [DOI] 10.1016/j.ijid.2021.07.012 PMC 바로가기 [Article Type] Article
Performance of Seven SARS-CoV-2 Self-Tests Based on Saliva, Anterior Nasal and Nasopharyngeal Swabs Corrected for Infectiousness in Real-Life Conditions: A Cross-Sectional Test Accuracy StudyArticle Published on 2021-08-282022-10-31 Journal: Diagnostics [Category] COVID-19, [키워드] addition Anterior anterior nasal swab Antigen calculated COVID-19 criteria Culture cycle threshold evaluate evaluated Evaluation independent infectiousness nasal swab nasopharyngeal Nasopharyngeal swab nasopharyngeal swabs PCR performance performed Predictive qPCR quantitative PCR Rapid antigen tests reported Saliva SARS-CoV-2 sensitivities sensitivity Seven specificity Swab symptomatic status Test the WHO viability virus virus culture was performed [DOI] 10.3390/diagnostics11091567 PMC 바로가기 [Article Type] Article
Low infectious risk of re-positive COVID-19 patients: a single-center studyArticle Published on 2021-08-122023-06-16 Journal: International Journal of Infectious Diseases [Category] MERS, SARS, [키워드] COVID-19 infectiousness re-positive SARS-CoV-2 [DOI] 10.1016/j.ijid.2021.08.019 PMC 바로가기 [Article Type] Article
The Alpha Variant (B.1.1.7) of SARS-CoV-2 in Children: First Experience from 3544 Nucleic Acid Amplification Tests in a Cohort of Children in Germany어린이의 SARS-COV-2의 알파 변이 (B.1.1.7) : 독일 어린이 코호트에서 3544 핵산 증폭 검사에서 첫 경험Article Published on 2021-08-122022-09-10 Journal: Viruses [Category] MERS, SARS, 변종, [키워드] acid Alpha Alpha variant Analysis analyzed B.1.1.7 children Clinical course collected cough Course courses COVID-19 Ct value Ct-value disease Evidence experience Fever Germany Infection infectiousness information investigated less median nucleic acid nucleic acid amplification Pediatric patient Pediatric patients positive Questionnaires retrospective Retrospective analysis rhinitis SARS-CoV-2 SARS-COV-2 infection severe symptom Spread suffered Swab Symptom symptomatic Symptoms Test tested the SARS-CoV-2 wild type [DOI] 10.3390/v13081600 PMC 바로가기 [Article Type] Article
Negative SARS-CoV-2 PCR or rapid antigen test result and the subsequent risk of being infectious: a mathematical simulation studyResearch Article Published on 2021-08-102022-10-28 Journal: BMC Medical Research Methodology [Category] COVID-19, Fulltext, MERS, SARS, [키워드] Antigen applied approach Asymptomatic asymptomatic infection asymptomatic transmission comparable conducted Critical cumulative described determine expected False negative rate groups highlight identify incidence increase in individual individuals infectiousness mathematical negative Negative diagnostic tests negative test occur parameter PCR PCR test polymerase chain Population pre-symptomatic predicted proportion random RAT RATs reduced representing Result risk SARS-CoV-2 SARS-CoV-2 PCR SARS-CoV-2 test SARS-CoV-2 transmission screened Simulation subsequent supplementary material tested Variation [DOI] 10.1186/s12874-021-01361-3 PMC 바로가기 [Article Type] Research Article
Development of robust isothermal RNA amplification assay for lab-free testing of RNA viruses실험실이 필요 없는 RNA 바이러스 검사를 위한 강력한 등온 RNA 증폭 분석법 개발Article Published on 2021-08-062022-09-10 Journal: Scientific Reports [Category] MERS, SARS, 진단, 치료기술, [키워드] 16S rRNA Amplification assay applicability biomedical engineering Concentration copy numbers COVID-19 development E. coli cell E. coli cells heat heat-inactivated human saliva infectiousness isothermal Laboratory lateral flow minutes nucleic acid amplification nucleic acids point of care primary focus RNA RNA fragment RNA virus robust rRNA Saliva SARS-CoV-2 SARS-CoV-2 virus sensitivity simple Synthetic biology Viral Viral load virus [DOI] 10.1038/s41598-021-95411-x PMC 바로가기 [Article Type] Article
Clinical characteristics and potential factors for recurrence of positive SARS-CoV-2 RNA in convalescent patients: a retrospective cohort study회복기 환자에서 양성 SARS-CoV-2 RNA의 재발에 대한 임상적 특징 및 잠재적 요인: 후향적 코호트 연구Article Published on 2021-08-012022-09-11 Journal: Clinical and experimental medicine [Category] MERS, SARS, 진단, 치료기술, [키워드] aggravation antibody carried Characteristics clinical Clinical characteristics Clinical features clinical records Clinical significance close contact collected convalescent coronavirus coronavirus disease Coronavirus disease 2019 correlated COVID-19 COVID-19 patient Cytokines demographic data discharged discharged patient disease evaluate Factor family members Features Follow-up hospital Hospitalization IgG and IgM IgM antibodies infectiousness Inflammatory cytokine Inflammatory cytokines Laboratory laboratory findings lead lymphocyte Lymphocyte subset Lymphocyte subsets negative RT-PCR no significant difference Patient patients positive positive RT-PCR prolonged viral shedding recurrence Recurrent Recurrent positive viral RNA retrospective cohort study Retrospective study RT-PCR SARS-CoV-2 SARS-CoV-2 RNA SARS-CoV-2 RT-PCR significantly significantly lower symptoms of COVID-19 telephone the patient titer Transmission two group two groups Viral viral shedding [DOI] 10.1007/s10238-021-00687-y PMC 바로가기 [Article Type] Article
Passing the Test: A Model-Based Analysis of Safe School-Reopening Strategies시험 통과: 안전한 개학 전략에 대한 모델 기반 분석Article Published on 2021-08-012022-09-11 Journal: Annals of internal medicine [Category] SARS, 변종, 치료기술, [키워드] Abuse age agent allergy Asymptomatic average center children community transmission Control Council COVID-19 pandemic Daily detect disease control drug Drug Abuse Effectiveness Facebook facilitate faculty Families High School IMPROVE incidence infected individual Infection infections Infectious diseases infectiousness Intensive interactions Local Measures moderate network model offered Precision prevention quarantine reduce reduced reopening risk SARS-CoV-2 transmission School Schools state Strategy students susceptibility symptomatic individuals teacher Transmission Uncertainty vaccination variants [DOI] 10.7326/M21-0600 PMC 바로가기 [Article Type] Article
SARS-CoV-2 Subgenomic RNA Kinetics in Longitudinal Clinical SamplesMajor Articles Published on 2021-07-112022-10-29 Journal: Open Forum Infectious Diseases [Category] COVID-19, [키워드] A549 acute respiratory syndrome analyzed Cell clinical clinical sample clinical samples clinically Cohort collected coronavirus coronavirus disease correlated COVID-19 cycle Decay kinetics detectable dimethylsulfoxide Favipiravir genomic RNA gRNA in vitro infected with SARS-CoV-2 infectiousness Kinetics Lambda longitudinal marker N-gene not differ Participants patients patients with COVID-19 persistence placebo-controlled polymerase chain potential molecular quantified Quantitative R 2 remained Remdesivir reported Result reverse transcription RNA Sample SARS-CoV-2 sgRNA sgRNAs significantly subgenomic RNA Support Swab symptom onset threshold treated Treatment Trial trials viability Viral RNA [DOI] 10.1093/ofid/ofab310 PMC 바로가기 [Article Type] Major Articles
Evaluation of a Rapid Antigen Test To Detect SARS-CoV-2 Infection and Identify Potentially Infectious IndividualsSARS-CoV-2 감염을 감지하고 감염 가능성이 있는 개인을 식별하기 위한 신속한 항원 검사 평가Virology Published on 2021-07-022022-09-10 Journal: Journal of Clinical Microbiology [Category] MERS, SARS, 치료기술, [키워드] addition adjusted antigen detection antigen test collected COVID-19 Culture detected patient diagnostic evaluate feasibility individual individuals infected individuals infectiousness inoculated Isolation lack Nasopharyngeal swab nasopharyngeal swabs positive rate positive result public health Rapid reached representing resulting RNA load RNA loads RT-qPCR SARS-CoV-2 SARS-COV-2 infection SARS-CoV-2-infected individual Screening sensitivities sensitivity Sensitivity and specificity Standard Q Test tested Vero E6 VERO E6 cells Viral virus virus culture virus cultures were used [DOI] 10.1128/JCM.00896-21 PMC 바로가기 [Article Type] Virology