Covid Test Results Not Detected. 119 England Wales and Northern Ireland 0300 303 2713 Scotland The call centre is open from 7am to 11pm. Not detected doesnt mean its not there.
A negative or not detected test result means that the virus that causes COVID-19 was not found in your sample. You do not usually need to self-isolate if you get a negative result. The chemicals used in the test didnt work properly.
Looking at the most commonly used type of COVID-19 test the PCR test typically done with a swab researchers found that the test can return a false-negative result as often as 67 of the time during the first 4 days of an infection.
However it is possible for this test to give a negative or not detected result that is incorrect false negative in some people with COVID-19. Have you been around anyone who has COVID -19. Across the world there is a clamour for covid-19 testing with Tedros Adhanom Ghebreyesus director general of the World Health Organization encouraging countries to test test test1 The availability of the complete genome of covid-19 early in the epidemic facilitated development of tests to detect viral RNA2 Multiple assays with different gene targets have been developed using. This means that the virus was not found in your sample.