Severity outcomes of SARS-CoV-2 infection in the Omicron and pre-Omicron periods, in unvaccinated first-time test positive adults less than 65 years old without comorbidity, in Sweden
Background: The COVID-19 pandemic has had several phases with varying characteristics. We aimed to compare severity outcomes in different phases in a population with limited bias from risk factors. Methods: In a nationwide observational study of all unvaccinated first-time COVID-19 test positive ind...
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| Main Authors: | , , , , , |
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| Format: | Book |
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Elsevier,
2024-09-01T00:00:00Z.
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