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AdvancedSpecial charactersHelpHeadingLevel 2Level 3Level 4Level 5FormatInsertLatinLatin extendedIPASymbolsGreekGreek extendedCyrillicArabicArabic extendedHebrewBanglaTamilTeluguSinhalaDevanagariGujaratiThaiLaoKhmerCanadian AboriginalRunesÁáÀàÂâÄäÃãǍǎĀāĂ㥹ÅåĆćĈĉÇçČčĊċĐđĎďÉéÈèÊêËëĚěĒēĔĕĖėĘęĜĝĢģĞğĠġĤĥĦħÍíÌìÎîÏïĨĩǏǐĪīĬĭİıĮįĴĵĶķĹĺĻļĽľŁłŃńÑñŅņŇňÓóÒòÔôÖöÕõǑǒŌōŎŏǪǫŐőŔŕŖŗŘřŚśŜŝŞşŠšȘșȚțŤťÚúÙùÛûÜüŨũŮůǓǔŪūǖǘǚǜŬŭŲųŰűŴŵÝýŶŷŸÿȲȳŹźŽžŻżÆæǢǣØøŒœßÐðÞþƏəFormattingLinksHeadingsListsFilesDiscussionReferencesDescriptionWhat you typeWhat you getItalic''Italic text''Italic textBold'''Bold text'''Bold textBold & italic'''''Bold & italic text'''''Bold & italic textDescriptionWhat you typeWhat you getReferencePage text.<ref>[https://www.example.org/ Link text], additional text.</ref>Page text.[1]Named referencePage text.<ref name="test">[https://www.example.org/ Link text]</ref>Page text.[2]Additional use of the same referencePage text.<ref name="test" />Page text.[2]Display references<references />↑ Link text, additional text.↑ Link text=== Diagnosis === {{Main|COVID-19#Diagnosis}} [[File:2020Sept26-BioFire-Waldron-HR.jpg|thumb|right|A nurse at [[McMurdo Station]] sets up the polymerase chain reaction (PCR) testing equipment, in September 2020.]] The standard method of testing for presence of SARS-CoV-2 is a [[nucleic acid test]],<ref name="20200130cdc">{{#invoke:cite web||date=30 January 2020|title=2019 Novel Coronavirus (2019-nCoV) Situation Summary|url=https://www.cdc.gov/coronavirus/2019-ncov/summary.html|url-status=live|archive-url=https://web.archive.org/web/20200126210549/https://www.cdc.gov/coronavirus/2019-nCoV/summary.html|archive-date=26 January 2020|access-date=30 January 2020|website=U.S. [[Centers for Disease Control and Prevention]] (CDC)}}</ref> which detects the presence of viral RNA fragments.<ref name="WHO_InterimGuidance">{{#invoke:cite web ||title=Coronavirus disease (COVID-19) technical guidance: Laboratory testing for 2019-nCoV in humans |work=[[World Health Organization]] (WHO) |url=https://www.who.int/emergencies/diseases/novel-coronavirus-2019/technical-guidance/laboratory-guidance |access-date=14 March 2020 |archive-url=https://web.archive.org/web/20200315044138/https://www.who.int/emergencies/diseases/novel-coronavirus-2019/technical-guidance/laboratory-guidance |archive-date=15 March 2020 |url-status=live}}</ref> As these tests detect RNA but not infectious virus, its "ability to determine duration of infectivity of patients is limited."<ref name="2k0iS">{{#invoke:cite journal || vauthors = Bullard J, Dust K, Funk D, Strong JE, Alexander D, Garnett L, Boodman C, Bello A, Hedley A, Schiffman Z, Doan K, Bastien N, Li Y, Van Caeseele PG, Poliquin G | title = Predicting Infectious Severe Acute Respiratory Syndrome Coronavirus 2 From Diagnostic Samples | journal = Clinical Infectious Diseases | volume = 71 | issue = 10 | pages = 2663–2666 | date = December 2020 | pmid = 32442256 | pmc = 7314198 | doi = 10.1093/cid/ciaa638 | doi-access = free }}</ref> The test is typically done on respiratory samples obtained by a [[nasopharyngeal swab]]; however, a nasal swab or sputum sample may also be used.<ref name="CDC2020Testing">{{#invoke:cite web||date=11 February 2020|title=Interim Guidelines for Collecting, Handling, and Testing Clinical Specimens from Persons for Coronavirus Disease 2019 (COVID-19)|url=https://www.cdc.gov/coronavirus/2019-ncov/lab/guidelines-clinical-specimens.html|url-status=live|archive-url=https://web.archive.org/web/20200304165907/https://www.cdc.gov/coronavirus/2019-nCoV/lab/guidelines-clinical-specimens.html|archive-date=4 March 2020|access-date=26 March 2020|website=U.S. [[Centers for Disease Control and Prevention]] (CDC)}}</ref><ref name="20200129cdc">{{#invoke:cite web||date=29 January 2020|title=Real-Time RT-PCR Panel for Detection 2019-nCoV|url=https://www.cdc.gov/coronavirus/2019-ncov/lab/rt-pcr-detection-instructions.html|url-status=live|archive-url=https://web.archive.org/web/20200130202031/https://www.cdc.gov/coronavirus/2019-ncov/lab/rt-pcr-detection-instructions.html|archive-date=30 January 2020|access-date=1 February 2020|website=U.S. [[Centers for Disease Control and Prevention]] (CDC)}}</ref> The WHO has published several testing protocols for the disease.<ref>{{#invoke:cite web||title=Laboratory testing for 2019 novel coronavirus (2019-nCoV) in suspected human cases|url=https://www.who.int/publications-detail/laboratory-testing-for-2019-novel-coronavirus-in-suspected-human-cases-20200117|url-status=live|archive-url=https://web.archive.org/web/20200317023052/https://www.who.int/publications-detail/laboratory-testing-for-2019-novel-coronavirus-in-suspected-human-cases-20200117|archive-date=17 March 2020|access-date=13 March 2020|website=[[World Health Organization]] (WHO)}}</ref> Summary: Please note that all contributions to Christianpedia may be edited, altered, or removed by other contributors. 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