No abstract available
MeSH terms
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Adult
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Aged
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Antibodies, Viral / blood*
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Antibody Formation / physiology
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Betacoronavirus*
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COVID-19
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Cohort Studies
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Coronavirus Infections / blood*
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Coronavirus Infections / mortality*
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Critical Care* / trends
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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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Mortality / trends
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Pandemics
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Pneumonia, Viral / blood*
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Pneumonia, Viral / mortality*
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SARS-CoV-2
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Sweden / epidemiology