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

• Những tác giả chính: Erik Wahlström (Tác giả), Daniel Bruce (Tác giả), Anna M. Bennet-Bark (Tác giả), Sten Walther (Tác giả), Håkan Hanberger (Tác giả), Kristoffer Strålin (Tác giả)
• Định dạng: Sách
• Được phát hành: Elsevier, 2024-09-01T00:00:00Z.
• Những chủ đề: article
• Truy cập trực tuyến: Connect to this object online.

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...