No abstract available
Publication types
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Comparative Study
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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COVID-19 / diagnosis*
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COVID-19 / virology
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COVID-19 Testing / methods
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Humans
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Nasopharynx / virology
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Polymerase Chain Reaction
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SARS-CoV-2 / classification
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SARS-CoV-2 / genetics
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SARS-CoV-2 / isolation & purification*
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Saliva / virology*
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South Africa
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Specimen Handling / methods*
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Turbinates / virology*