Today, the U.S. Food and Drug Administration (FDA) issued Yale School of Public Health an emergency use authorization (EUA) for its SalivaDirect COVID-19 diagnostic test, which uses a new method of processing saliva samples when testing for COVID-19. This molecular test is for the qualitative detection of nucleic acid from SARS-CoV-2 in saliva collected without preservatives in a sterile container from individuals suspected of COVID-19 by their healthcare provider.
SalivaDirect does not require any special type of swab or collection device – a saliva sample can be collected in any sterile container. It is also unique because it does not require a separate nucleic acid extraction step. This is significant because the extraction kits used for this step in other tests have been prone to shortages in the past.
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