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As mentioned in the previous chapter, the benefits of antigen testing For COVID-19 and other viral infections are 1. specimen collection can typically be done with a simple nasal swab rather than a more invasive [[nasopharyngeal swab]], 2. testing is more rapid and convenient, and 3. it takes some pressure off the PCR supply chain. However, antigen testing only tests what's there, rather than amplifying the amount, resulting in generally lower sensitivities.<ref name="ServiceRadical2020">{{cite journal |title=Radical shift in COVID-19 testing needed to reopen schools and businesses, researchers say |journal=Science |author=Service, R.F. |year=2020 |doi=10.1126/science.abe1546}}</ref><ref name="GuglielmiTheExp20">{{cite journal |title=The explosion of new coronavirus tests that could help to end the pandemic |journal=Nature |author=Guglielmi, G. |volume=583 |pages=506–09 |year=2020 |doi=10.1038/d41586-020-02140-8}}</ref> As such, the real utility of antigen testing, despite its lower sensitivity, appears to be surveillance situations where a large group of individuals who are at risk can be screened at regularly scheduled intervals of two to four days. If your lab is able to support this sort of testing, then this type of testing may be an option. As of September 2021, thirty-four FDA EUAs for antigen tests have been issues; 28 of those 34 include allowances for CLIA-waived testing, and 10 were authorized for home use.<ref name="FDAInVitroAntigen21">{{cite web |url=https://www.fda.gov/medical-devices/coronavirus-disease-2019-covid-19-emergency-use-authorizations-medical-devices/in-vitro-diagnostics-euas-antigen-diagnostic-tests-sars-cov-2 |title=In Vitro Diagnostics EUAs - Antigen Diagnostic Tests for SARS-CoV-2 |publisher=U.S. Food and Drug Administration |date=07 September 2021 |accessdate=07 September 2021}}</ref> Review [https://www.fda.gov/medical-devices/coronavirus-disease-2019-covid-19-emergency-use-authorizations-medical-devices/in-vitro-diagnostics-euas-antigen-diagnostic-tests-sars-cov-2 the FDA list] to further examine your options.
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The CDC emphasizes that molecular testing remains the "gold standard" for detecting SARS-CoV-2 in a sample, and it "may be necessary to confirm an antigen test result with a laboratory-based NAAT, especially if the result of the antigen test is inconsistent with the clinical context." However, some molecular tests designed for point-of-care testing may not be sufficiently designed for confirmatory testing; consult the instructions for use for any confirmatory test.<ref name="CDCInterim21">{{cite web |url=https://www.cdc.gov/coronavirus/2019-ncov/lab/resources/antigen-tests-guidelines.html |title=Interim Guidance for Antigen Testing for SARS-CoV-2 |author=Centers for Disease Control and Prevention |publisher=Centers for Disease Control and Prevention |date=09 September 2021 |accessdate=18 September 2021}}</ref> The CDC [https://www.cdc.gov/coronavirus/2019-ncov/lab/resources/antigen-tests-guidelines.html#anchor_1631295114633 makes available] two antigen testing algorithms for determining when confirmatory testing is actually recommended.<ref name="CDCInterim21" />
==''Introduction to Quality and Quality Management Systems''==
{{ombox
| type      = content
| style    = width: 500px;
| text      = This book should not be considered complete until this message box has been removed. This is a work in progress.
}}
The goal of this short volume is to act as an introduction to the quality management system. It collects several articles related to quality, quality management, and associated systems.


==References==
;1. What is quality?
{{Reflist|colwidth=30em}}
:''Key terms''
:[[Quality (business)|Quality]]
:[[Quality assurance]]
:[[Quality control]]
:''The rest''
:[[Data quality]]
:[[Information quality]]
:[[Nonconformity (quality)|Nonconformity]]
:[[Service quality]]
;2. Processes and improvement
:[[Business process]]
:[[Process capability]]
:[[Risk management]]
:[[Workflow]]
;3. Mechanisms for quality
:[[Acceptance testing]]
:[[Conformance testing]]
:[[Clinical quality management system]]
:[[Continual improvement process]]
:[[Corrective and preventive action]]
:[[Good manufacturing practice]]
:[[Malcolm Baldrige National Quality Improvement Act of 1987]]
:[[Quality management]]
:[[Quality management system]]
:[[Total quality management]]
;4. Quality standards
:[[ISO 9000]]
:[[ISO 13485]]
:[[ISO 14000|ISO 14001]]
:[[ISO 15189]]
:[[ISO/IEC 17025]]
:[[ISO/TS 16949]]
;5. Quality in software
:[[Software quality]]
:[[Software quality assurance]]
:[[Software quality management]]
 
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Latest revision as of 19:46, 9 February 2022

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Introduction to Quality and Quality Management Systems

This book should not be considered complete until this message box has been removed. This is a work in progress.

The goal of this short volume is to act as an introduction to the quality management system. It collects several articles related to quality, quality management, and associated systems.

1. What is quality?
Key terms
Quality
Quality assurance
Quality control
The rest
Data quality
Information quality
Nonconformity
Service quality
2. Processes and improvement
Business process
Process capability
Risk management
Workflow
3. Mechanisms for quality
Acceptance testing
Conformance testing
Clinical quality management system
Continual improvement process
Corrective and preventive action
Good manufacturing practice
Malcolm Baldrige National Quality Improvement Act of 1987
Quality management
Quality management system
Total quality management
4. Quality standards
ISO 9000
ISO 13485
ISO 14001
ISO 15189
ISO/IEC 17025
ISO/TS 16949
5. Quality in software
Software quality
Software quality assurance
Software quality management


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