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This study compared the dynamics of SARS-CoV-2 viral shedding in saliva between wild-type virus-infected and Omicron-infected household cohorts. Preexisting immunity in participants likely shortens the viral RNA shedding duration and lowers viral load peaks. Frequent saliva sampling can be a convenient tool to study viral load dynamics.
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Kozanli et al. (2025) studied this question.
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