Why using PCR Test is expensive and complex than antibody test which is cheaper?

[vc_row][vc_column][vc_column_text]In the early days of an infection, when the body’s immune response is still building, antibodies may not be present in detectable levels. This limits the test’s effectiveness for diagnosing COVID-19 and is why it should not be used as the sole basis to diagnose COVID-19.  Currently authorized serological tests for SARS-CoV-2 measure IgM and/or IgG antibodies.  Since IgM antibodies may not develop early, or at all, in infected patients, this type of antibody test is not used to rule out SARS-CoV-2 in an individual. Since IgG antibodies generally do not develop until later, this type of antibody test, even though it is more specific to SARS-CoV-2, is not used to rule-out SARS-CoV-2 infection in an individual.  We also do not know how long IgM or IgG antibodies to SARS-CoV-2 will remain present in the body after the infection has been cleared.

 

https://www.fda.gov/medical-devices/letters-health-care-providers/important-information-use-serological-antibody-tests-covid-19-letter-health-care-providers

 

So, to put it simple, antibody test negative does not mean the person is free from Covid-19 because she/he might at the early stage of infection. And she/he could spread the virus to other people.

Antibody test positive does not mean the person is dangerous, because she/he might have already recovered from Covid-19. And there are other possible reasons for a false positive result.

But PCR test is to test the existence of the nucleic acid (RNA ) of the corona virus, so the test result will directly show whether the person has the virus or not.

 

The Golden Age of the nucleic acid test is yet to come:

The peak for  Covid-19 PCR test was not in February or March 2020, when the new cases of infection and death increases every day instead the peak of the business was in April and May, because during this time, people were encouraged to come back to work. When people are encouraged back to work and school, all of them should go through such a test so the healthy ones can go back to work and school without the possibility of getting infected during work or study and the infected ones should have quarantine and treatment without spreading the virus.

 

What is future of PCR Test?

Some countries cannot run the PCR test on a larger scale due to the following results:

  1. They do not have enough PCR laboratories nor the PCR machines and laboratory staffs.
  2. Their test capacity is low so they cannot take more samples than what they could handle. Some laboratories are still use manual operation or small automation machine.
  3. PCR test cost is relatively high.

 

Population-based screening solution can help defend against Covid-19 by the following:

  1. High throughput for one diagnostic center with the capacity of 1,000 samples per day
  2. Easy operation of the innovation one-tube extraction technology
  3. Reasonable cost on the test kits.

 

And people will think:  what do we do about the machines when the pandemic is over, as we invested a lot of money on them?

 

The nucleic acid extraction systems and real time PCR systems can be further used for other infectious disease diagnosis and control, like Hepatitis B, Hepatitis C, HIV, Tuberculosis, HPV, etc., chronic diseases and cancer. Health will always be a hot topic, as there are pretty evidence showing that infection of a certain virus is closely related to cancer. For example, HBV and HCV can cause liver cancer; HPV is the only reason for cervical cancer; every nasopharynx cancer case has the EBV infection. So the early diagnosis of an infection can prevent it from developing into cancer. These shows our bright future for PCR tests.

 

How to use SANSURE solution for Covid-19 control?

We are glad to present to you our THREE solutions for different applications for Covid-19 diagnosis.

  1. Throat Swab+X1002+S1014E+S3102E for Portable Molecule Workstation
    • Result out in 30-50 mins,
    • Application: primary level clinic and community for fast result and
  1. Throat Swab+X1002+S1014E+S3102E for Natch CS (Fully Automated Nucleic Acid Extraction System) and MA-6000 (Real Time PCR Systems)
    • Fully Automated and High throughput for 1000 tests/day
    • Application: population-based screening to rule out the infected cases and let people safely come back to work and school
  1. Throat Swab+X1002+S1006E+S3102E for Natch CS (Fully Automated Nucleic Acid Extraction System) and MA-6000 (Real Time PCR Systems)
    • Fully Automated and High Sensitivity
    • Application: Treatment follow-up and monitor

Please check below Product Description. Please check the attached No.2

Please also check the attached information/ If you have any questions, please do not hesitate to let me know.

H.S. CODE SPECIFIC NAME  PRODUCT DESCRIPTION
5601229000 Throat Swab To collect sample from throat
2501002000 X1002E

Sample Storage Reagent

The product is intended for preservation and transportation of cells from human body. For in vitro analysis and testing use only, not for therapeutic use.
3822009000 S1014E

Sample Release Reagent

This product is intended for the pretreatment of the samples to be tested, the substances to be tested in the specimens can be release from the state of combining with other substances to facilitate the used of in vitro diagnostic reagents or instruments to test substances to be tested.
3822009000 S1006E

Multi-type Sample DNA/RNA Extraction-Purification Kit (Magnetic beads method)

This product is based on magnetic beads method and designed for nucleic acid extraction, collection and purification. The extracted and purified nucleic acid can be used for clinical in vitro diagnostic tests
3822009000 S3102E

Novel Coronavirus (2019-nCoV) Nucleic Acid Diagnostic Kit (PCR-Fluorescence Probing) 

This product is used for qualitative detection of the ORF1ab and H genes of novel coronavirus (2019-nCov) in nasopharyngeal swab, oropharyngeal swab, alveolar lavage fluid, sputum, serum, whole blood and feces from suspected pneumonia case with novel coronavirus infection, patients with suspected clusters of novel coronavirus infection and other patients requiring diagnosis or differential diagnosis of novel coronavirus infection. For in vitro diagnostic only. For professional use only.
9027809990 Portable Molecule Workstation This product is used in conjunction with the related reagents manufactured by Sansure Biotech Inc. Based on polymerase chain reaction (PCR) technology, this workstation can be used for clinical extraction, amplification and analysis of the nucleic acid (DNA/RNA) existed in the samples from human body.
9027809990 Fully Automated Nucleic Acid Extraction System This product is used to extract nucleic acid from specimens such as serum, plasma, throat swab, anal swab, faeces,, reproductive secretions, exfoliated cells, urine, sputum, etc. The extracted nucleic acid can be used in clinical gene amplification and detection laboratory, Center for Disease Control, laboratories of research institutes, medical schools, etc.
9027500090 MA-6000 or SLAN 96P Real-time Quantitative Thermal Cycler This product is intended to be used in conjunction with the related nucleic acid test kits. Based on polymerase chain reaction (PCR) technology, it can be used for qualitative and quantitative detection, and melting curve analysis of the viral nucleic acid and human gene.

 

Sansure is  the top brand in China for molecular diagnostics. From the beginning of corona virus breakout in China, Sansure has registered at China National Medical Products Administration, and have been widely used and testified in China. So far, more than 30 million tests from Sansure have been used in China world wide. From the latest EQA (External Quality Assessment) conducted by National Center for Clinical Laboratories for Covid-19 diagnostics,  258 clinical laboratories out of 823 in total have submitted the test report, which indicates the market share of Sansure in China.

 

About Mozocare

Mozocare is a medical access platform for hospitals and clinics to assist patients access best medical care at affordable prices. It offers medical information, medical treatment, pharmaceuticals, medical equipment, laboratory consumables and other allied services.

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