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What is the difference between the different tests for the corona virus?
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What is the difference between the different tests for the corona virus?

3 months ago
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You've probably heard a lot about coronavirus testing lately... If you think you may have been infected with the 2019 coronavirus disease (Covid-19), visit GCORP LLC to get tested for the coronavirus online..

See more: Best internal medicine doctor

In the following, there is information about the types and stages of corona diagnostic tests./K

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Types of corona tests

There are two different types of tests: infectious detection tests and antibody tests

1... infectious detection test (PCR)

Indicates the presence of an active virus in the body and you must perform quarantine or home quarantine procedures.. Currently, the infectious diagnosis test is performed in two ways: PCR test that examines the genetic material of the virus and antigen test that identifies certain proteins on the surface of the virus.

See more: list of infectious disease doctors

2... antibody test

Coronavirus serology or antibody testing looks for antibodies that are produced by the immune system in response to a threat, such as a certain type of virus... Antibodies help fight infection, are made days or weeks after an infection occurs, and remain in the body for weeks after recovery... Antibodies... Does this mean the body is immune to the coronavirus in the future?

Comparison of different types of corona test

How is the PCR test performed?

Many companies and laboratories have developed tests to diagnose Covid-19 based on determining the genetic material of the virus in a patient's throat or nose sample.. The normal steps in this type of corona virus infectious diagnosis test are:

  1. The doctor prescribes a covid-19 test.
  2. The doctor uses a sterilized ear swab to take a sample of mucus from the throat or nose.
  3. The doctor puts the ear swab in a sterilized container and closes it to send it to the laboratory.
  4. At this stage, the ear cleaner must be kept at a certain temperature so that the virus survives and the test is accurate. The sample must reach the laboratory within 72 hours.
  5. The lab technician mixes chemicals with the ear swab to remove the genetic material of any virus that may be on the ear swab.
  6. The lab technician uses special chemicals called primers and probes and complex machinery to convert the viral RNA into DNA and then make millions of copies of the DNA to go through several cycles of controlled heating and cooling.
  7. After linking the DNA with special probes, a special type of light is produced that is seen by the device and the test shows a positive result of SARS-CoV-2, the virus that causes the disease of Covid-19.

Read more: Interpretation of corona test results

What does the accuracy of the PCR (PCR) test depend on?

Usually an infectious diagnostic test that detects the genetic material of the virus itself is used to diagnose covid-19 or active coronavirus infection....but no test is always 100% accurate....the following factors affect the accuracy of the test:

  • You may have a virus, but an ear swab will not pick up the virus from your throat or nose.
  • Ear swabs or mucosal samples may be accidentally contaminated during collection or analysis.
  • Ear, throat or nasal swab may not be kept at the proper temperature before examination.
  • The chemicals used to extract the genetic material of the virus and copy the DNA of the virus may not work properly.

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