Types of Diagnostic Tests for Coronavirus

Types of Diagnostic Tests for Coronavirus - Rapid Connect Medical

In this period when coronavirus has become a global pandemic, public health officials are on the lookout for information that can help them reduce the spread of COVID-19 while using their limited resources. Nations and health care professionals rely on clinical observation and diagnostic testing to identify and isolate patients that are infected by SARS-CoV-2. 

There are two options when it comes to COVID-19 testing: you can either test for the virus itself or the antibodies produced as part of the immune response. 

Numerous tests are available for physicians to use in the market, but in this article, you will read more about the two most general testing techniques that the medical industry uses for the diagnosis of COVID-19.

Nucleic Acid or PCR (polymerase chain reaction) Test

The standard RT-PCR (Reverse Transcription Polymerase Chain Reaction) test is the first to be used in the diagnosis of Covid-19. It usually performed in high complexity clinical laboratory improvement amendments (CLIA) laboratories and requires highly trained laboratory personnel.  The aim of using this technique in testing is to detect the genetic material of the COVID-19 causing virus, SARS-CoV-2. 

When using this testing technique, the sample is collected from the throat or nasal cavity of a person by the use of swabs and then sent to the laboratory for analysis. From the lab, the viral RNA is extracted from the swab specimen and then subjected to the RT-PCR, which amplifies the RNA for easy detection. Here, the results can be obtained in hours or within two to four days. 

Most health care facilities will confirm the positive results by running a real-time reverse transcription-polymerase chain reaction (rRT-PCR) assay to determine the presence of the virus. This technique is considered to be the gold standard in the diagnosis of COVID-19. The results from these tests are usually accurate but they take longer to be made. A PCR test will require samples taken from the nasal or pharyngeal regions

RT-PCR technique is considered as the gold standard test, but improper handling and collection of samples can lead to high false-negative rates. Unfortunately, patients who have recovered from COVID-19 cannot use this testing technique to confirm that they had the disease. The RT-PCR test works best when the infection is active, during the first seven days after the start of the symptoms; a period where the immune system is fighting the virus. 

Notably, the RT-PCR test fails for emergency use due to the shortage of important testing materials such as the reagent which are usually in short supply. Since the results take days to come, it may not be a suitable technique when there is a need for rapid results to quickly stem the spread of the virus. 

There has been a new improvement in the development of RT-PCR kits with some adding more data about the SARS-CoV-2 genomes to improve performance. New developments of this type of test aim to maximize the potential of each test such that you can still test for influenza A and B viruses as you screen for SARS-CoV-2. 

Antibody Test

The standard RT-PCR fails to meet the testing goals of many nations and organizations where time is a major factor such as in emergencies. The need for a fast and easy to use assays led to the introduction of Rapid Antibody Tests.

The antibody testing technique makes use of reliable coronavirus antibody test kits to determine the infection status of a patient by checking for the presence of antibodies in response to the virus.  Here, the diagnostic tests for COVID-19 antibodies will look for the presence of IgM and IgG antibody isotypes. This technique is most reliable in the initial phases of infection, many times before symptoms begin. 

Sample collections require serum, plasma, or whole blood from the patient. The first antibody tests conducted in high-complexity CLIA laboratories would take between one and four days for the results to be known. However, using a rapid COVID-19 antibody test kit will provide the results in less than 15 minutes.

Rapid serology or antibody tests use lateral flow technology to speed up the testing process. The advantages of this technique are that the turnaround time for the results is short and no instrumentation is required to facilitate the process. However, these tests are not designed for home use, so they should be performed by a medical professional in a controlled environment. 

Since this test can detect past infection, it is usually used to survey the extent of COVID-19 spread in a target population. Manufacturers are working to develop antibody tests for coronavirus infection that are more accurate in reporting past infection and immunity of a patient. 


The two testing techniques both aim for one goal, detecting the presence of coronavirus in a human body. As much as the applications may vary, each of the methods has its strengths and weaknesses, and are useful in different ways and circumstances. Most organizations opt for a COVID-19 antibody test kit due to its affordability and timely delivery of results. 

For quality diagnostic tests for COVID-19 antibodies, you need reliable coronavirus antibody test kits. Rapid Connect Medical is an authorized global distributor of Coronavirus (SARS-CoV-2) IgM/IgG rapid Test Kits. Making the company your COVID-19 antibody test kit partner will give you access to innovative and productive solutions that can be delivered quickly and efficiently. 

COVID-19 antibody test kits from Rapid Connect Medical offer innovative and productive solutions that can be used to establish the presence of coronavirus in a patient quickly and efficiently. Price-wise, the lateral flow test kits are affordable considering the quality of the kit and the FDA EUA Approval. 

If you need an innovative and accurate Covid-19 Antibody test kit your organization, then you have come to the right place. For pricing inquiries, questions, and more information, regarding COVID-19 antibody test kits, you can contact Rapid Connect Medical.

The sampling done with the rapid COVID-19 antibody test kit cassette using lateral flow from Rapid Connect Medical will give you the IgG and IgM detectable diagnostics results from between two and ten minutes. It can be used for reference in combination with the results from an RT-PCR (reverse transcriptase-polymerase chain reaction) test. A single finger prick to draw blood can be used with our kit that detects antibodies.  This positive or negative result can be detected as soon as 3 days after exposure to COVID-19 (sometimes before the onset of symptoms occur).

Knowing if you have active igM antibodies even in the first week of infection can help get the best treatment for an infected person.  If you do test positive, potentially exposed, or have traveled to a region with high infection rates, you should seek care from your doctor for treatment and continue to test for IgG antibodies daily until you are cleared to leave quarantine. The sensitivity, specificity, and accuracy or our antibody test kit is very high.  This testing method for the public gives real time results and helps to identify initial infection before the severe flu like symptoms begin.  This kit is intended to be administered by a health care professionals and providers.

The kits used for diagnostic tests for COVID-19 antibodies are usually designed for research use or qualitative detection of coronavirus, and not home use. Also, they can only be used to test the presence of IgG and IgM antibodies against SARS-CoV-2. Since they are aiding tools to RT-PCR or CT scanning, a clinical diagnosis of COVID-19 should be done by a healthcare professional or physician.

An antibody detection test cassette contains antigens from SARS-CoV-2 combined with gold nanoparticles. The device has two wells (one for specimen and one buffer) and a control region on the upper end.  Two types of antibodies are of great importance in diagnostic tests for COVID-19 antibodies: Immunoglobulin M (IgM) and Immunoglobulin G (IgG). 

The importance of the gold nanoparticles in the detection test cassette is to create a colored line in the control region.  Antigens targeting a specific antibody are located in their respective regions on the nitrocellulose membrane of the test cassette. The IgG and IgM regions are coated with anti-human antibodies for each. 

The rapid COVID-19 antibody test kits you will find on the market are designed to detect SARS-CoV-2-specific antibodies. The ones distributed by Rapid Connect Medical are FDA research approved and evaluated and validated by a comprehensive clinical study.  This antigen test kit was developed in response to the COVID-19 global pandemic and offers a power tool for health care providers.  The immune response produced by a Coronavirus viral infection is what this test measures.  The CDC testing standards for laboratories were strictly followed during the clinical trials for our antibody test kit.

This is a serology elisa based test for SARS-CoV-2 antibodies in serum or plasma components of blood. Information on the collection data, total sample size, and validation of lab samples can be found here for review.  Interpretations of test results should be confirmed with a lab and a a medical professional should diagnose your infection status not only on the sole basis of your rapid test kit results.  This rapidtest should be performed by a licensed medical professional and your infection status determination may require additional tests.

Rapid Connect Medical distributes large orders of Coronavirus (SARS-CoV-2) IgM/IgG rapid test kits to global professional sports league and arenas. Rapid Connect Medical is the leading provider of Covid-19 Antibody test kits in small quantities25 test kit packs, as well as bulk orders for large countries, companies, and organizations.  If your institute or corporation is in the need of antibody test kits, feel free to email our sales team.  The company covers the USA, Canada, South America, and European territories. Therefore, if you are from these areas, Rapid Connect Medical will be able to assist you with availability, pricing, and ordering. Our test kit is considered to be the best product on the market for rapid Covid-19 antibody testing.

Our test kits are FDA EUA (Emergency Use Authorization) Approved, have the CE Declaration for authorized European Union distribution, and have an authorization for use by the HHS for Pharmacies and Pharmacists.  Federal guidance has been issues for Rapid Connect Medical’s COVID-19 Antibody test kit that is 98.23% accurate with results in 2 to 10 minutes.  Don’t take a risk using inferior test kits, our Antibody Test kits are tested in a biotechnology laboratory!

The development of the technology for this screening standard with confirmed scientific accuracy is unique to Rapid Connect Medical‘s Antibody Test Kit.  If you are interested in order a large quantity for commercial, biomedical, biological, science, or pharmaceutical applications and have questions, feel free to book a call with our sales team.  In response to the global demand, our manufacturers have the capacity to support your required production needs.  Covid-19 testing is also covered by many insurance plans.

Important Features:

Certification and Authorization – COVID-19 antibody test kits from Rapid Connect Medical are safe for use under the Emergency Use Authorization (EUA) of the FDA (Food and Drug Administration). They also are authorized by The U.S. Department of Health and Human Services (HHS) for Pharmacy or Pharmacist use. The antibody test kits come with a CE Declaration, meaning that they are clear for use in countries that fall under the European Union. 

Storage and Quality – the Coronavirus antibody testing kits from Rapid Connect Medical have a shelf life of 24 months from the date of manufacture. 

Ease of Use – the COVID-19 antibody test kits from Rapid Connect Medical are easy to use and you can get your results in two to ten minutes. The antibody test kits are designed for medical professional use and not as an over-the-counter product for home use. 

Technology – the rapid serologic COVID-19 antibody test kits from Rapid Connect Medical use lateral flow technology. 

We offer fast shipping methods for our antibody test kits at an affordable rate.  We also offer local pickup options.  You can order test kits online at https://rapidconnectmedical.com/

Stop the Spread – Test Yourself Now

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