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At this
time, since saliva is considered an equivalent sample type for RT-PCR diagnosis
of SARS-COV-2, it is being rapidly validated in clinical labs as the alternate
sample type - with the benefit of self-collection, cheaper, and equally or more
sensitive sample than a NPS swab.
Please see the following references: https://www.medrxiv.org/content/10.1101/2020.04.16.20067835v1, https://www.medrxiv.org/content/10.1101/2020.04.17.20070045v1, and https://www.medrxiv.org/content/10.1101/2020.04.23.20076877v1.
The other benefit of collecting saliva is that it is being used for Anti-COVID antibody identification as well, and we are currently developing such as assay in house.
The opportunity to self-collect, home-collect, and have a sample type that works well for SARS-COV-2 diagnosis is huge.
Salimetrics provides Saliva Collection Aid (cat#5016.02), for collecting saliva into cryovials!
The Saliva Collection Aid (SCA) is a new device that fits securely inside common externally threaded cryovials to simplify collection of whole saliva samples from participants. Whole saliva, a mixture of the oral fluids that pool on the floor of the mouth, is considered by many researchers to be the gold standard when collecting saliva samples for biological testing. Although collecting whole saliva by spitting or drooling might seem to be easy, it actually can be a messy task that discourages some people from donating samples. The new device has a number of features that make it attractive to researchers and saliva donors:
- Simple and easy to use
- Increased participant compliance
- Individually packaged in a clean, foil pouch
- FDA Listed
- One-time use and dispose
- Ready-to-go instructions
- Vented design helps avoid sample foaming
- Constructed of polypropylene to avoid sample retention or contamination
- Universal fit with common external thread cryovials
- Allows sample collection directly into cryovials in the field
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