Any one elaborate what tests are doing for covid-19 how it helpful like RT_PCR,VRDL,rapid ag...

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COVID19 tests and significance 1) RT PCR gold std Highly expensive Read ORF of proteins and E gene Result is in 3hrs 2) CBNAAT detect E&N gene in one go Both for screening and confirmation Less expensive than RTPCR Result is in 2hrs ICMR adviced for SARI&ICU patients 3) TRUENAT Detect E gene in first level for screening suspected patients RDRP gene in next level for confirmation Result is in 1hr Highly economic with low maintenance cost ICMR adviced it for screening 4) Rapid antigen test Most economic ICMR adviced it for containment zones Result in just 30mts Moderate sensitivity and high specificity 5) Antibody tests It is meant for seroprevalance survay IgM starts from 3rd day and present till 22nd day IgG starts from 7th day and persist till some good length of period E gene for screening N gene ,RDRP gene &ORF protein for confirmation

Thank you doctor
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Agree with Dr Msnsukh Shah. Nicely explained and almost complete for learning and educative purpose.

When I read it was in best way explained
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NICE EXPLANATION. BY DR @. MANSUKH. SHAH. JI ...AGREE...

Nasal swab and throat sample

Excellent.

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