Fig. 3From: Comparison of saliva with healthcare workers- and patient-collected swabs in the diagnosis of COVID-19 in a large cohortComparison of nasopharyngeal swabs collected by healthcare workers (HCWs) and self-swabs vs saliva. The left panel shows positivity in all three specimens, and the right panel shows higher detection rates in saliva between 3 and 5 days of onset of symptomsBack to article page