Are saliva tests as good as swabs for COVID-19?

Saliva samples are as sensitive as nasopharyngeal swabs and are safer for healthcare professionals, US researchers say

COVID-19 tests using saliva samples show similar sensitivity as nasopharyngeal swabs and are safer for healthcare workers to perform, a US study suggests.

Researchers from Yale University compared saliva and nasopharyngeal swab samples from 70 hospitalised COVID-19 patients and 495 asymptomatic healthcare workers, using gold-standard RT-PCR.

In both groups, the saliva tests and the nasopharyngeal swab tests showed similar sensitivity for detecting the virus, they reported in the New England Journal of

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