Release of infectious virus and cytokines in nasopharyngeal swabs from individuals infected with non-alpha or alpha SARS-CoV-2 variants: an observational retrospective study
Sign Up to like & getrecommendations! Published in 2021 at "EBioMedicine"
DOI: 10.1016/j.ebiom.2021.103637
Abstract: Background The dynamics of SARS-CoV-2 alpha variant shedding and immune responses at the nasal mucosa remain poorly characterised. Methods We measured infectious viral release, antibodies and cytokines in 426 PCR+ nasopharyngeal swabs from individuals harboring… read more here.
Keywords: infectious virus; sars cov; nasopharyngeal swabs; alpha ... See more keywords
Matrix-Assisted Laser Desorption and Ionization Time-of-Flight Mass Spectrometry Analysis for the Direct Detection of SARS-CoV-2 in Nasopharyngeal Swabs
Sign Up to like & getrecommendations! Published in 2022 at "Analytical Chemistry"
DOI: 10.1021/acs.analchem.1c04328
Abstract: The most common diagnostic method used for coronavirus disease-2019 (COVID-19) is real-time reverse transcription polymerase chain reaction (PCR). However, it requires complex and labor-intensive procedures and involves excessive positive results derived from viral debris. We… read more here.
Keywords: time; direct detection; sars cov; mass ... See more keywords
Identification of SARS-CoV-2 Proteins from Nasopharyngeal Swabs Probed by Multiple Reaction Monitoring Tandem Mass Spectrometry
Sign Up to like & getrecommendations! Published in 2021 at "ACS Omega"
DOI: 10.1021/acsomega.1c05587
Abstract: Numerous reverse transcription polymerase chain reaction (RT-PCR) tests have emerged over the past year as the gold standard for detecting millions of cases of SARS-CoV-2 reported daily worldwide. However, problems with critical shortages of key… read more here.
Keywords: reaction; sars cov; mass spectrometry; nasopharyngeal swabs ... See more keywords
Comparison of Saliva and Nasopharyngeal Swabs for SARS-CoV-2 Detection in an Emergency Department and Ambulatory Testing Locations
Sign Up to like & getrecommendations! Published in 2021 at "American Journal of Clinical Pathology"
DOI: 10.1093/ajcp/aqab191.269
Abstract: Nasopharyngeal (NP) swabs have been the traditional specimen source used for testing for respiratory viruses. However, at the start of the COVID-19 pandemic, several studies suggested that saliva could also be used as a specimen… read more here.
Keywords: sars cov; ambulatory; emergency department; nasopharyngeal swabs ... See more keywords
Hematuria Associated With SARS-CoV-2 Infection in a Child.
Sign Up to like & getrecommendations! Published in 2020 at "Pediatric Infectious Disease Journal"
DOI: 10.1097/inf.0000000000002737
Abstract: D the fact that respiratory symptoms are the predominant presentation of COVID-19 among symptomatic infected patients, it is important to emphasize that multiple organ involvement including the gastrointestinal tract, central nervous system, cardiovascular system, liver,… read more here.
Keywords: respiratory; child; infection; hematuria ... See more keywords
Evaluation of SARS-CoV-2 isolation in cell culture from nasal/nasopharyngeal swabs or saliva specimens of patients with COVID-19
Sign Up to like & getrecommendations! Published in 2023 at "Scientific Reports"
DOI: 10.1101/2023.02.16.528881
Abstract: It has been revealed that SARS-CoV-2 can be efficiently isolated from clinical specimens such as nasal/nasopharyngeal swabs or saliva in cultured cells. In this study, we examined the efficiency of viral isolation including SARS-CoV-2 mutant… read more here.
Keywords: nasopharyngeal swabs; saliva specimens; isolation; nasal nasopharyngeal ... See more keywords
Sensitivity and Specificity of SARS-CoV-2 Rapid Antigen Detection Tests Using Oral, Anterior Nasal, and Nasopharyngeal Swabs: a Diagnostic Accuracy Study
Sign Up to like & getrecommendations! Published in 2022 at "Microbiology Spectrum"
DOI: 10.1128/spectrum.02029-21
Abstract: Rapid antigen detection devices for SARS-CoV-2 represent a valuable tool for monitoring the spread of infection. However, the reliability of the tests depends largely on the test performance and the respective sampling method. ABSTRACT The… read more here.
Keywords: nasopharyngeal swabs; anterior nasal; rapid antigen; detection ... See more keywords
Detection of SARS-CoV-2 in Saliva and Nasopharyngeal Swabs According to Viral Variants
Sign Up to like & getrecommendations! Published in 2022 at "Microbiology Spectrum"
DOI: 10.1128/spectrum.02133-22
Abstract: Established methods for SARS-CoV-2 diagnostics might require revalidation with the emergence of novel variants. This is important for screening strategy programs and for the investigation of the characteristics of new variants in terms of tropism… read more here.
Keywords: nasopharyngeal swabs; omicron variant; omicron; alpha delta ... See more keywords
Current status of the lateral flow immunoassay for the detection of SARS-CoV-2 in nasopharyngeal swabs
Sign Up to like & getrecommendations! Published in 2021 at "Biochemia Medica"
DOI: 10.11613/bm.2021.020601
Abstract: Early detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and diagnosis of coronavirus disease 2019 (COVID-19) are priorities during the pandemic. Symptomatic and suspected asymptomatic individuals should be tested for COVID-19 to confirm infection… read more here.
Keywords: detection sars; lateral flow; sars cov; nasopharyngeal swabs ... See more keywords
Diagnostic accuracy and acceptability of molecular diagnosis of COVID-19 on saliva samples relative to nasopharyngeal swabs in tropical hospital and extra-hospital contexts: The COVISAL study
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DOI: 10.1371/journal.pone.0257169
Abstract: A prospective study was conducted among different intra and extra-hospital populations of French Guiana to evaluate the performance of saliva testing compared to nasopharyngeal swabs. Persons aged 3 years and older with mild symptoms suggestive… read more here.
Keywords: relative nasopharyngeal; hospital; saliva samples; extra hospital ... See more keywords
Nasopharyngeal swabs vs. saliva sampling for SARS-CoV-2 detection: A cross-sectional survey of acceptability for caregivers and children after experiencing both methods
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DOI: 10.1371/journal.pone.0270929
Abstract: Background Saliva sampling is a promising alternative to nasopharyngeal swabs for SARS-CoV-2 testing, but acceptability data is lacking. We characterize the acceptability of saliva sampling and nasopharyngeal swabs for primary decision makers and their children… read more here.
Keywords: nasopharyngeal swabs; acceptability; saliva sampling; primary decision ... See more keywords