Coronavirus exams: How helpful are antigen COVID exams? Do they give accurate outcomes?

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Most self-COVID exams approved to be used in India and overseas are a type of antigen testing, which inform you about your COVID standing (whether or not constructive or destructive) in a short while.

Antigen and molecular exams used for COVID testing work to establish the presence of viral parts within the physique. Antigen exams, significantly, which kind the backing of a number of quick-result delivering at-home COVID exams use a know-how to hint the protein within the virus pressure within the physique and dole out a constructive or destructive check. Compared to this, molecular testing, often known as PCR (Polymerase Chain Reaction ) testing helps establish the RNA, or the genetic element of the virus, and is therefore ranked to be gold-standard exams.

Both the exams, nonetheless, are administered in the identical manner- utilizing a throat/nasal swab that pattern the saliva to hint the virus. The cause why PCR and antigen exams have such a various distinction in respect to the consequence supply occasions is that whereas PCR know-how requires specialised, typically costly diagnostic tools and runs the virus element by repeat cycles to seek out the consequence, antigen exams search for the protein, and the outcomes might be simply verified at a cheap, time-effective method. So to say, whereas self-COVID exams can ship ends in 15-20 minutes, PCR exams can take upto a minimal of 24 hours to ship outcomes, or extra if there is a excessive demand for the testing.

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