No abstract available
MeSH terms
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Aged
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Betacoronavirus*
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COVID-19
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Coronavirus Infections / mortality*
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Coronavirus Infections / virology*
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Female
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Humans
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Male
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Middle Aged
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Mucus / virology*
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Nasal Mucosa / virology
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Pandemics
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Pneumonia, Viral / mortality*
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Pneumonia, Viral / virology*
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Predictive Value of Tests
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Proportional Hazards Models
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Prospective Studies
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SARS-CoV-2
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Viral Load*