KnowNowᵀᴹ

The COVID-19
test designed to reunite teams

A pain-free saliva mouth swab that can tell you if you are currently infectious with COVID-19 in fifteen minutes.

With a saliva mouth swab, KnowNow is pain free and easy to administer accurately, anywhere.

Explore the benefits

Only detect infectious live viruses, so people don’t have to miss out when they aren’t dangerous to others.

*In over 258 clinical tests we have never had a false positive. Find out more

Explore our science

Because of the unique way that KnowNow detect the virus, it is well placed to work against mutations.

Explore our science

Find out more

Register interest to find out more about our saliva based COVID-19 infectiousness test.

view our privacy policy here

Check your COVID-19 infectiousness anywhere in under 15 minutes.*

*for professional use only

Had COVID - 19 symptoms in the last 2 days? Apply here to help us make testing accessible to all.
Had COVID - 19 symptoms in the last 2 days? Apply here to help us make testing accessible to all.
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