PCR Test

Spit take: Saliva testing is something extra, not a nose swab replacement

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A man taking a Covid test in Auckland

Some border workers are now undergoing daily spit testing. Does this mean the end of nasal swabbing? We explain how the tests work and why the two tests co-exist. Voluntary saliva testing has been rolled out at Auckland Airport and the Jet Park quarantine facility for border workers, sparking hope for some that the sometimes … Read more

How the PCR test works and why it’s such a critical weapon against Covid-19

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Misinformation about the effectiveness of the test is swirling, but in fact the PCR is both reliable and critical in taking on the virus, explains Siouxsie Wiles. I’ve been asked by several people in recent days whether there is any truth to a video about the Covid-19 PCR test that is currently doing the rounds … Read more