Testing for COVID-19

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Majority of test which are used to diagnose COVID-19 are genetic test know as PCR tests
It is a technique which is used to make several copies of small fragments of DNA or RNA
An enzyme which makes polymers of other molecules (DNA, RNA) New strand using existing strands
& there is an chemical reaction.
It is very accurate as it helps in detecting the virus even if it is present in a small amount
Because of It we are able to take genetic material from the virus target specific chains segments that only the virus has & they keep a very large number of those segments which helps in detecting the virus.
Usually, delivers results in 5 to 6 hrs
In case of rapid it may take 50 to 55 mins

RT-PCR.

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