Everything you need to know about the new coronavirus lab test 

Euromed Ambulance Ltd.

What is an ELISA blood test?

An ELISA test is the most reliable, highly sensitive microbiological method that can detect whether an antibody to the SARS-CoV-2 virus produced by your body can be detected in your body.
All pathogens, such as viral infections, trigger the body's defense mechanism, so that first IgA, then IgM, and then IgG-type antibodies can be detected in the blood.
To the best of our knowledge, the IgA (initial) type antibody produced against COVID-19 virus is 2-4 after infection. After days 9-10, the IgM (early) type antibody after infection in days 9-10. day 1, IgG type (late) antibody 12-14 days after infection. can be detected in the blood after 1 day using whole blood, blood serum, or plasma.

Who might want to take the test?

The ELISA test is suitable so that we can later prove that we have been infected for travel or work. It can also be good to use a coronavirus passport.

Those who have been confirmed to have COVID-19 but are wondering if their body has produced enough antibodies after the disease.

Those who had previously felt unwell had milder symptoms but did not confirm their infection by an official PCR or Antigen test, but would like to know or be confirmed that they have had COVID disease.

Those who don’t necessarily want to vaccinate themselves, but want to know themselves safely or move freely.

Young people or those who did not have symptoms, health complaints that suggested COVID, but are curious about whether they have had the disease and their body has produced antibodies and / or want to prove that they have had COVID.

If we want to return to work, perhaps visit our older loved ones, or wait for a medical intervention, it may be especially worthwhile to find out if we have already had the infection.

How is sampling done?

The ELISA test is performed on blood taken from a vein. Blood sampling does not require special preparation, but it is possible and recommended to consume plenty of water, as this greatly facilitates sampling and at the same time minimizes the inconveniences associated with it. However, alcohol, soft drinks and coffee must not be consumed prior to sampling, as they may affect the test results.

Does sampling have any side effects?

Blood tests do not have any side effects. We recommend resting and consuming fluids for a few minutes after taking the blood to avoid any dizziness or malaise with low blood pressure. Rarely, but redness, bruising may occur at the site of blood collection.

How to interpret the result?

IgG positivity: the subject has a history (even asymptomatically) of COVID infection.
IgG and IgM positivity: the subject has recently undergone COVID infection or is in the acute phase of infection. In this case, there is a risk of virus shedding, PCR testing is recommended to detect infectivity.
IgM positivity: early infection, the patient is still in the acute phase, IgG, long-term antibody has not yet appeared in the blood. Virus shedding is likely, and PCR testing and isolation are required.
Neither IgG nor IgM was detected: The patient was either not infected or his body did not produce adequate amounts of antibodies. If you have been in contact with or have symptoms of a confirmed COVID infection, a PCR or Antigen test is absolutely necessary to detect infectivity.

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