Will the covidSHIELD test detect antibodies from a previous infection or vaccination?

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• How reliable are covidSHIELD test results?

  In a recent study, the saliva test was shown to have a specificity of 98.9% and a sensitivity of 95.8%. The FDA-authorized covidSHIELD test targets three highly conserved regions of the viral genome for detection. High specificity offered by ...

• Does the covidSHIELD test identify SARS-CoV-2 variants?

  The covidSHIELD test will detect all known variants of SARS-CoV-2. This ability is monitored rigorously by Thermo-Fischer, the company who produces the reagents which is the part of the test which identifies the SARS-CoV-2 markers. The covidSHIELD ...

• What is covidSHIELD’s false positive rate? I heard the test is no more accurate than a coin flip, or 50/50. Is that true?

  The answer to that is, unequivocally, "no." And it is wrong by a long shot. Let me explain: In a perfect world, we would know the exact number of infected people, which would be the starting point in making such a calculation. Without knowing that ...

• Will covidSHIELD catch variants? Delta? Omicron? Can I tell which variant I have?

  Based on all available information, the covidSHIELD test will be able to identify that a specimen which is positive for the Omicron variant contains SARS-CoV-2 (i.e. the Omicron variant will not cause a false negative). The covidSHIELD test looks for ...

• I tested positive with covidSHIELD and negative with nasal PCR or other test. Which result is correct?

  Not all PCR tests are the same. They run on different PCR instruments, use different reagents, look for different genes, etc. etc. For example, the covidSHIELD saliva test is more reliable overall compared to self-collected nasal specimens. Nasal PCR ...