Diagnosis (Laboratory)

coviki.org collects the really good Ideas and the scientific Record on Covid-19 Virus.

• Diagnosis (Laboratory other parameters)
• Dx PCR
• Dx Antigen
• Dx Antibodies
• Dx Serology all the imbecile titles not showing what they intend to test
• Dx Lab. various methods reviews, n>2 comparisons, intermodality comparisons
• Dx Lab. unconventional methods
• Dx which matrix how to obtain, which to use

32077933 ä. ...Why Partnership between Clinical Laboratories, Public Health Agencies, and Industry Is Essential to Control the Outbreak
32154877 ä. The SARS-CoV-2 Outbreak: Diagnosis, Infection Prevention, and Public Perception

32353116 ä. Modeling SARS-CoV-2 positivity using laboratory data: timing is everything

32315390 ä. Rapid detection of COVID-19 coronavirus using a reverse transcriptional loop-mediated isothermal amplification (RT-LAMP) diagnostic platform
32282874 ä. Limits of Detection of Six Approved RT?PCR Kits for the Novel SARS-coronavirus-2 (SARS-CoV-2)

32229107 2020. Dynamic change process of target genes by RT-PCR testing of SARS-Cov-2 during the course of a Coronavirus Disease 2019 patient
32031583 ä. Molecular Diagnosis of a Novel Coronavirus (2019-nCoV) Causing an Outbreak of Pneumonia
32156607 ä. Positive rate of RT-PCR detection of SARS-CoV-2 infection in 4880 cases from one hospital in Wuhan, China, from Jan to Feb 2020

32335089 ä. Highly sensitive detection of SARS-CoV-2 RNA by multiplex rRT-PCR for molecular diagnosis of COVID-19 by clinical laboratories

32358960 ä. Evaluation of COVID-19 RT-qPCR test in multi-sample pools

32306042 ä. Testing for SARS-CoV-2: Can We Stop at Two?
32276116 ä. Rapid and visual detection of 2019 novel coronavirus (SARS-CoV-2) by a reverse transcription loop-mediated isothermal amplification assay
32306036 ä. Profile of RT-PCR for SARS-CoV-2: a preliminary study from 56 COVID-19 patients

32197339 2020. Point-of-Care RNA-Based Diagnostic Device for COVID-19

32294051 2020. Triplex Real-Time RT-PCR for Severe Acute Respiratory Syndrome Coronavirus 2

32306853 2020. Development of a reverse transcription-loop-mediated isothermal amplification as a rapid early-detection method for novel SARS-CoV-2

32102625 2020. Detectable 2019-nCoV viral RNA in blood is a strong indicator for the further clinical severity

32329811 2020. The nucleic acid test of induced sputum should be used for estimation of patients cure with 2019-nCov
32156329 2020. Evaluation of a quantitative RT-PCR assay for the detection of the emerging coronavirus SARS-CoV-2 using a high throughput system
31992387 2020. Detection of 2019 novel coronavirus (2019-nCoV) by real-time RT-PCR

32290902 2020. An alternative workflow for molecular detection of SARS-CoV-2 escape from the NA extraction kit-shortage, Copenhagen, Denmark, March 2020
32290904 2020. Roll-out of SARS-CoV-2 testing for healthcare workers at a large NHS Foundation Trust in the United Kingdom, March 2020
32156101 2020. Development of a Laboratory-safe and Low-cost Detection Protocol for SARS-CoV-2 of the Coronavirus Disease 2019 (COVID-19)
32297805 2020. Real-time RT-PCR in COVID-19 detection: issues affecting the results

32242876 2020. Development of in vitro transcribed RNA as positive control for laboratory diagnosis of SARS-CoV-2 in India

32370065 2020. Hybridization Chain Reactions Targeting the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)
32344568 2020. RT-qPCR Testing of SARS-CoV-2: A Primer
32276333 2020. Development of a Novel, Genome Subtraction-Derived, SARS-CoV-2-Specific COVID-19-nsp2 Real-Time RT-PCR Assay and Its Evaluation Using Clinical Specimens
32325642 2020. A Novel Reverse Transcription Loop-Mediated Isothermal Amplification Method for Rapid Detection of SARS-CoV-2

32341142 2020. Evaluation of the QIAstat-Dx Respiratory SARS-CoV-2 Panel, the first rapid multiplex PCR commercial assay for SARS-CoV-2 detection

32132196 2020. Improved Molecular Diagnosis of COVID-19 by the Novel, Highly Sensitive and Specific COVID-19-RdRp/Hel Real-Time Reverse Transcription-PCR Assay Validated In Vitro and with Clinical Specimens

32361322 2020. Interpret with caution: An evaluation of the commercial AusDiagnostics versus in-house developed assays for the detection of SARS-CoV-2 virus
32361324 ä. Dynamic profile of RT-PCR findings from 301 COVID-19 patients in Wuhan, China: a descriptive study
32302956 2020. Consistency analysis of COVID-19 nucleic acid tests and the changes of lung CT

32360885 ä. Value and Challenges: Nucleic Acid Amplification Tests for SARS?CoV-2 in Hospitalized COVID-19 Patients

32276051 ä. Development of Reverse Transcription Loop-Mediated Isothermal Amplification Assays Targeting SARS-CoV-2
32292623 2020. Recent advances and perspectives of nucleic acid detection for coronavirus
32352933 2020. Characteristics and diagnosis rate of 5630 subjects receiving SARS-CoV-2 nucleic acid tests from Wuhan, China

32074516 2020. Development of Genetic Diagnostic Methods for Novel Coronavirus 2019 (nCoV-2019) in Japan
32350226 2020. An assessment of real-time RT-PCR kits for SARS-CoV-2 detection
32266524 ä. A case report of COVID-19 with false negative RT-PCR test: necessity of chest CT
32207257 2020. A Patient with COVID-19 Presenting a False-Negative Reverse Transcriptase Polymerase Chain Reaction Result

32224308 ä. Understanding COVID-19: what does viral RNA load really mean?

32217609 2020. Report from the American Society for Microbiology COVID-19 International Summit, 23 March 2020: Value of Diagnostic Testing for SARS?CoV-2/COVID-19
32361529 ä. Loop mediated isothermal amplification (LAMP) assays as a rapid diagnostic for COVID-19

32333644 2020. RT-LAMP for rapid diagnosis of coronavirus SARS-CoV-2

32074444 2020. SARS-CoV-2 Viral Load in Upper Respiratory Specimens of Infected Patients

32358057 2020. Overcoming the bottleneck to widespread testing: A rapid review of nucleic acid testing approaches for COVID-19 detection

32327566 2020. One ventilator for two patients: feasibility and considerations of a last resort solution in case of equipment shortage
32378843 2020. Akutt lungesviktsyndrom hos covid-19-pasient med negative nasofarynksprover

32283215 ä. False negative rate of COVID-19 is eliminated by using nasal swab test
32239445 ä. Development of a Novel Reverse Transcription Loop-Mediated Isothermal Amplification Method for Rapid Detection of SARS-CoV-2

32293905 2020. SARS-CoV-2 Viral Load in Clinical Samples from Critically Ill Patients

32338536 2020. A Bayesian analysis of strategies to rule out COVID19 using reverse transcriptase-polymerase chain reaction (RT-PCR)

32221132 2020. In Silico assessment of the impact of 2019 novel coronavirus (2019-nCoV) genomic variation on published real-time quantitative polymerase chain reaction detection assays

32149771 2020. A case of 2019 novel coronavirus infected pneumonia with twice negative 2019-nCoV nucleic acid testing within 8 days

32242829 2020. One disease, different features: COVID-19 laboratory and radiological findings in three Italian patients

32311826 2020. COVID-19 and the clinical hematology laboratory

32222993 ä. Genomic characterization and phylogenetic analysis of SARS?COV?2 in Italy

32096564 ä. Combination of RT?qPCR testing and clinical features for diagnosis of COVID?19 facilitates management of SARS?CoV?2 outbreak

32270882 2020. False-negative of RT-PCR and prolonged nucleic acid conversion in COVID-19: Rather than recurrence

32271278 2020. Integrated Radiologic Algorithm for COVID-19 Pandemic

32334422 2020. Smartphone-based multiplex 30-minute nucleic acid test of live virus from nasal swab extract

32223871 2020. Preliminary Results of Initial Testing for Coronavirus (COVID-19) in the Emergency Department

32387093 2020. Distinct changes in the real-time PCR detectability of certain SARS-CoV-2 target sequences

32378133 ä. Initial Observations with Molecular Testing for COVID-19 in a Private Hospital in Mumbai, India

32416598 2020. SARS-CoV-2 detection by direct rRT-PCR without RNA extraction

32388470 2020. Rapid and sensitive detection of SARS-CoV-2 RNA using the Simplexa? COVID-19 direct assay

32403009 2020. Five-minute point-of-care testing for SARS-CoV-2: Not there yet
32403008 2020. A RT-PCR assay for the detection of coronaviruses from four genera
32388472 2020. The implications of preliminary screening and diagnosis: Clinical characteristics of 33 mild patients with SARS-CoV-2 infection in Hunan, China

32388471 2020. Clinical evaluation of a SARS-CoV-2 RT-PCR assay on a fully automated system for rapid on-demand testing in the hospital setting

32006218 ä. Clinical role of viral identification by a polymerase chain reaction-based diagnostic panel in adults hospitalized with community-acquired pneumonia

32248474 2020. Vergessen Sie die Schnellteste auf Coronavirus!
32342388 2020. Anwendung von Antikörper-Schnelltests ist Körperverletzung: Dr Matthias Orth
32372836 2020. The problems with so-called immunity tests
32376476 ä. Limited effectiveness of systematic screening by nasopharyngeal RT-PCR of medicalized nursing home staff after a first case of COVID-19 in a resident

32149770 2020. High-throughput sequencing for confirmation of suspected 2019-nCoV infection identified by fluorescence quantitative polymerase chain reaction

32396505 2020. US CDC Real-Time Reverse Transcription PCR Panel for Detection of Severe Acute Respiratory Syndrome Coronavirus 2.

32448084 2020. Analytical comparisons of SARS-COV-2 detection by qRT-PCR and ddPCR with multiple primer/probe sets.
32438868 2020. ddPCR: a more accurate tool for SARS-CoV-2 detection in low viral load specimens.
32505692 2020. Molecular analysis of several in-house rRT-PCR protocols for SARS-CoV-2 detection in the context of genetic variability of the virus in Colombia.
32492531 2020. Fast SARS-CoV-2 detection by RT-qPCR in preheated nasopharyngeal swab samples.

32505778 2020. Persistent detection of SARS-CoV-2 RNA in patients and healthcare workers with COVID-19.
32512376 2020. Evaluation of rapid diagnosis of novel coronavirus disease (COVID-19) using loop-mediated isothermal amplification.

32459081 2020. Evaluacion de diferentes genes en la deteccion por RT-PCR del SARS-CoV-2 en muestras respiratorias y su evolucion en la infeccion.

32329388 2020. Positive RT-PCR test results after consecutively negative results in patients with COVID-19.

32474555 2020. Evaluation of RdRp & ORF-1b-nsp14-based real-time RT-PCR assays for confirmation of SARS-CoV-2 infection: An observational study.

32423519 2020. Screening for COVID-19: Patient Factors Predicting Positive PCR Test.

32449639 2020. SARS-CoV-2 RT-PCR: at least 2 viral targets are needed.
32420777 2020. Positive RT-PCR in urine from an asymptomatic patient with novel coronavirus 2019 infection: a case report.
32501535 2020. Identification of nsp1 gene as the target of SARS-CoV-2 real-time RT-PCR using nanopore whole genome sequencing.
32484950 2020. Amplification of human beta-glucuronidase gene for appraising the accuracy of negative SARS-CoV-2 RT-PCR results in upper respiratory tract specimens.

32475012 2020. Testing for SARS-CoV-2: the day the world turned its attention to the clinical laboratory.

32506118 2020. Occurrence and Timing of Subsequent SARS-CoV-2 RT-PCR Positivity Among Initially Negative Patients.
32504529 2020. Can the SARS-CoV-2 PCR Cycle Threshold Value and Time from Symptom Onset to Testing Predict Infectivity?

32472672 2020. What is the role of SARS-CoV-2 PCR testing in discontinuation of transmission-based precautions for COVID-19 patients?

32435816 2020. To Interpret the SARS-CoV-2 Test, Consider the Cycle Threshold Value.
32320539 2020. La Asociacion Catalana de Salud Laboral (@SCSL) ante el gran reto de la COVID-19.

32401598 2020. COVID-19 Real-time RTPCR: Does Positivity on Follow up RTPCR Always Imply Infectivity?
32401535 2020. Reply to: COVID-19 Real-time RTPCR: Does Positivity on Follow up RTPCR Always Imply Infectivity?

32270938 2020. Performance du frottis nasopharynge-PCR pour le diagnostic du Covid-19 - Recommandations pratiques sur la base des premieres donnees scientifiques.

32483586 2020. Clinical Validation of a SARS-CoV-2 Real-Time Reverse Transcription PCR Assay Targeting the Nucleocapsid Gene.

32461287 2020. Comparison of two commercial molecular tests and a laboratory-developed modification of the CDC 2019-nCoV RT-PCR assay for the detection of SARS-CoV-2.
32461285 2020. Comparison of the Accula SARS-CoV-2 Test with a Laboratory-Developed Assay for Detection of SARS-CoV-2 RNA in Clinical Nasopharyngeal Specimens.
32444354 2020. Test Agreement Between Roche Cobas 6800 and Cepheid GeneXpert Xpress SARS-CoV-2 Assays at High Cycle Threshold Ranges.

32381643 2020. Comparison of Two High-Throughput Reverse Transcription-Polymerase Chain Reaction Systems for the Detection of Severe Acute Respiratory Syndrome Coronavirus 2.
32381642 2020. Understanding, verifying and implementing Emergency Use Authorization molecular diagnostics for the detection of SARS-CoV-2 RNA.
32471894 2020. Performance of Abbott ID NOW COVID-19 rapid nucleic acid amplification test in nasopharyngeal swabs transported in viral media and dry nasal swabs, in a New York City academic institution.

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32469511 2020. Virus Detection: What Were We Doing before COVID-19 Changed the World?

32528710 2020. Persistence of positive severe acute respiratory syndrome coronavirus-2 reverse transcription-polymerase chain reaction test result for 24 days in a hospitalized asymptomatic carrier.

32438806 2020. Novel One-Step Single-Tube Nested Quantitative Real-Time PCR Assay for Highly Sensitive Detection of SARS-CoV-2.
32395391 2020. Development of a rapid test kit for SARS-CoV-2: an example of product design.

32387502 2020. Reduced Physical Activity During COVID-19 Pandemic in Children With Congenital Heart Disease.

32427226 2020. An automated Residual Exemplar Local Binary Pattern and iterative ReliefF based corona detection method using lung X-ray image.

32384153 2020. Rapid detection of SARS-CoV-2 by low volume real-time single tube reverse transcription recombinase polymerase amplification using an exo probe with an internally linked quencher (exo-IQ).

32422410 2020. Multiple-centre clinical evaluation of an ultrafast single-tube assay for SARS-CoV-2 RNA.

{{tp|p=32502646|t=2020. Comparison of diagnostic accuracies of rapid serological tests and ELISA to molecular diagnostics in patients with suspected coronavirus disease 2019 presenting to the hospital.|pdf=|usr=008

32444479 2020. Incidental COVID-19 on PET/CT imaging.

32530490 2020. A Simple Method for Detection of a Novel Coronavirus (SARS-CoV-2) using One-step RT-PCR followed by Restriction Fragment Length Polymorphism.

32441935 2020. A Reverse-Transcription Recombinase-Aided Amplification Assay for Rapid Detection of the 2019 Novel Coronavirus (SARS-CoV-2).
32490854 2020. A novel liquid biopsy-based approach for highly specific cancer diagnostics: mitigating false responses in assaying patient plasma-derived circulating microRNAs through combined SERS and plasmon-enhanced fluorescence analyses.

32515793 2020. Why, when, and how to use lung ultrasound during the COVID-19 pandemic: enthusiasm and caution.
32527161 2020. How Fear Appeal Approaches in COVID-19 Health Communication May Be Harming the Global Community.
32533803 2020. The Covid-19 'infodemic': a new front for information professionals.
32522311 2020. RT-PCR tests for SARS-CoV-2 processed at a large Italian Hospital and false-negative results among confirmed COVID-19 cases.

32530790 2020. Ellen Grass Lecture: Wellness for Allied Healthcare Professionals in the Age of COVID-19.

32489177 2020. Authors' response: SARS-CoV-2 detection by real-time RT-PCR.
32489175 2020. Letter to the editor: SARS-CoV-2 detection by real-time RT-PCR.

32452225 2020. Nasopharyngeal swab or clinical-radiological evidence: the dark side of the moon for cancer patients in the COVID-19 era.

32535302 2020. Multiple assays in a real-time RT-PCR SARS-CoV-2 panel can mitigate the risk of loss of sensitivity by new genomic variants during the COVID-19 outbreak.

32531884 2020. The Enemy Which Sealed the World: Effects of COVID-19 Diffusion on the Psychological State of the Italian Population.
32098019 2020. Communicating the Risk of Death from Novel Coronavirus Disease (COVID-19).

32281158 2020. The pandemic paradox: The consequences of COVID-19 on domestic violence.
32344460 2020. The potential for COVID-19 to contribute to compassion fatigue in critical care nurses.
32320509 2020. Covid-19: Supporting nurses' psychological and mental health.
32535398 2020. Comparison of a laboratory-developed test targeting the envelope gene with three nucleic acid amplification tests for detection of SARS-CoV-2.

32504943 2020. The utility of beta-2-microglobulin testing as a human cellular control in COVID-19 testing.

32535397 2020. Multiplexing primer/probe sets for detection of SARS-CoV-2 by qRT-PCR.

32344319 2020. Ad hoc laboratory-based surveillance of SARS-CoV-2 by real-time RT-PCR using minipools of RNA prepared from routine respiratory samples.
32485473 2020. Evaluation of nCoV-QS (MiCo BioMed) for RT-qPCR detection of SARS-CoV-2 from nasopharyngeal samples using CDC FDA EUA qPCR kit as a gold standard: An example of the need of validation studies.
32474371 2020. Rapid implementation and validation of a cold-chain free SARS-CoV-2 diagnostic testing workflow to support surge capacity.
32460173 2020. Clinical evaluation of AusDiagnostics SARS-CoV-2 multiplex tandem PCR assay.

32416600 2020. Comparison of seven commercial RT-PCR diagnostic kits for COVID-19.

32405254 2020. Real-time PCR-based SARS-CoV-2 detection in Canadian laboratories.

32446722 2020. Evaluation of a high-speed but low-throughput RT-qPCR system for SARS-CoV-2 detection.

32173458 2020. Experience of different upper respiratory tract sampling strategies for detection of COVID-19.

32473233 2020. Derivation and validation of a scoring system to assess pre-test probability of being COVID-19 positive.
32473229 2020. Follow-up study on pulmonary function and radiological changes in critically ill patients with COVID-19.

32383182 2020. Should RT-PCR be considered a gold standard in the diagnosis of Covid-19?
32383179 2020. Comparison of SARS-CoV-2 detection from nasopharyngeal swab samples by the Roche cobas 6800 SARS-CoV-2 test and a laboratory-developed real-time RT-PCR test.

32401374 2020. Prolonged SARS-Cov-2 RNA Detection in Anal/Rectal Swabs and Stool Specimens in COVID-19 Patients After Negative Conversion in Nasopharyngeal RT-PCR Test.

32496708 2020. COVID-19 : quelle place, aujourd'hui, pour les tests serologiques ?
32536002 2020. Pitfalls in SARS-CoV-2 PCR diagnostics.