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. 2022 Sep 8;13:964525. doi: 10.3389/fimmu.2022.964525

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Copyright © 2022 Søraas, Grødeland, Granerud, Ueland, Lind, Fevang, Murphy, Huse, Nygaard, Steffensen, al-Baldawi, Holberg-Petersen, Andresen, Ågnes, Ranheim, Schanke, Istre, Dahl, Chopra, Dudman, Kaarbø, Andersen, Vaage, Tran, Vaage, Michelsen, Müller, Aukrust, Halvorsen, Dahl, Holter and Lund-Johansen

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Viral load. (A) Correlation between viral load and days after symptom onset during the observation period. Thin blue/red lines represent paired samples while thick blue/red lines represent regression curves for the whole group (Omicron or Delta). (B) Viral load shown as Tukey-plots at inclusion (T1) and one week follow-up (T2) according to infection with Omicron or Delta. Differences in viral load at T1 and T2 were compared by ANCOVA, adjusting for symptom days: *p<0.05. ns, not significant.