New COVID-19 IgG Quantitative Test

New Igg Quantitative Test

New COVID-19 IgG Quantitative Test

The COVID-19 IgG quantitative test is a simple blood test which can detect if your body has developed antibodies as an immune response against COVID-19. By looking at your immune system response, this test can tell your doctor if you’ve been exposed to the virus in the past.

When you get infected with COVID-19, or any other illness, your immune system will immediately get to work on fighting it. Not only will your body combat the virus, but your adaptive immune system will also form an “immunological memory” to enhance future responses to the pathogen.

The immunological memory you form involves creating antibodies and immunoglobulins which help your body remember how to fight the virus. If immunoglobulins such as IgG are present in your system, clinicians will know that you’ve previously been infected with coronavirus. Here’s how it works.

How COVID-19 affects your immune system

The human immune system has two main parts: there is the innate immune system, and the adaptive immune system.

The innate immune system does what it sounds like: it offers innate protection. Your skin, stomach acids, and other protective barriers are all considered to be a part of this system. Some white blood cells, such as neutrophils, eosinophils, and basophils also play key roles. These cells are specifically for identifying, hunting, and destroying foreign bacteria and viruses.

On the other hand, the adaptive immune system is made up of specialist cells and systems, and is responsible for creating immunological memory. This means that when you get infected with a virus, your body will learn how to fight it. If you get infected with the same virus in the future, your body will know how to attack it. 

Immunoglobulins are a type of antibody and are crucial for the body's adaptive immune system. These are proteins which are produced by plasma cells in response to bacteria, viruses, and other microorganisms. Some of the most common immunoglobulins include A, G, and M (IgA, IgG, IgM). These antibodies help your body remember how to fight off foreign pathogens that have entered your system before.

What is an IgG?

IgG is the most common type of antibody - making up about 75% of the total antibodies found in the blood. It binds to pathogens such as viruses, bacteria, and fungi, effectively protecting the body from infection.

An IgG is an excellent long-term shield against illness, as it exists for years after the antigen that triggered its production has left the body.

Why get a COVID-19 IgG quantitative test?

This is a simple blood test that measures the level of IgG antibodies in the blood. By measuring the antibody levels and providing a quantitative result, clinicians will have a better understanding of how an individual is recovering from COVID-19.

The COVID-19 IgG quantitative test can also monitor a person’s immune response to vaccines, including the COVID-19 vaccine. Checking someone’s antibody levels is also a useful way to identify their eligibility for plasma donation.

How is an IgG test carried out?

The COVID-19 IgG quantitative test involves a simple blood test. Sometimes this is done via a “fingerstick” test, which involves simply pricking the finger. 

Alternatively, a traditional blood test can be done. This means getting a sample from the veins through a syringe. An IgG test is usually quick, and relatively pain-free.

Book a test

If you’ve been infected with COVID-19, or have a condition which you’re worried may affect your response to the COVID-19 vaccine, you may wish to book this test. If you’re interested in booking a COVID-19 IgG quantitative test, contact us today.

Test result provided by PHE/CQC approved UKAS accredited, ISO 15189 2012 Laboratory.
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