COVID-19: Saliva is a viable alternative to nasopharyngeal specimen in asymptomatic persons

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In a mass-screening study of 1,924 asymptomatic persons, self-collected saliva samples had sensitivity (92%) and specificity (over 99.9%) comparable to nasopharyngeal specimens — sensitivity 86% and specificity over 99.9%. The true concordance probability between the nasopharyngeal and saliva tests was estimated at 0.998. In a mass-screening study of 1,924 asymptomatic persons using nasopharyngeal and self-collected […]

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COVID-19: Saliva is a viable alternative to nasopharyngeal specimen in asymptomatic persons

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