Among 48,830 participants, 57% were PCR test positive on the initial detection day, with viral load significantly increased to peak approximately 4 days post-detection, followed by a decreasing trend with a VST of 6.1 days.
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Viral load dynamics in asymptomatic and symptomatic patients during Omicron BA.2 outbreak in Shanghai, China, 2022: A longitudinal cohort study.
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