The accuracy of the RT-PCR test depends on timing; tests are best given within 10 days of COVID-19 symptom development.

In the RT-PCR test, the RNA of the virus is extracted from the swab collected from the nose and throat of the patient. The collected RNA is then converted into DNA, which is later amplified.

Now we have access to PCR tests (known as RT-PCR, or reverse transcription-polymerase chain reaction, tests) and rapid antigen tests to detect SARS-CoV-2, the virus that causes COVID.

Antigen tests might appear cheaper than RT-PCT tests but according to Corrales, their prices are not too far from each other. As a medical professional, Dr. Corrales highly recommends taking the ...

ICMR Has Recommended No RT-PCR Tests If: A healthy person who is traveling inter-state (domestic travel) will not have to take the RT-PCR test.