COVID-19 RAPID TEST    

PRODUCTS DESCRIPTION

There are two types of rapid tests to detect the presence of COVID-19. The first test detects the presence of antibodies in the person’s blood and the second is based on the nasopharyngeal swab.

The CODIV-19 RAPID TESTS are rapid tests at 15 minutes that can give us indications of exposure to contagion.

We invite you to read the entire article to have a thorough knowledge of the two products.

Following a change made on 16 March, the agency opened the door to a number of specific private bodies and laboratories to develop and distribute tests that can provide results on site in just 15 minutes, such as the Covid-19 Rapid Test, but there are some rather important warnings to keep in mind when you hear about these products coming onto the market.

Covid-19 Rapid Test, the tests, which are “serological”, i.e. they identify the presence of antibodies in a person’s blood, differ significantly from the molecular tests currently in use under the Emergency Use Authorization (EUA) by laboratories and drive-through test sites approved by the FDA and the European Union.

Serological tests show that a person has developed antibodies against SARS-CoV-2, which means that they have most likely come into contact with it (and have had it, or have already recovered from its presence).

Covid-19 Rapid Test, molecular tests actually detect the presence of viral DNA in the bloodstream, which is a much more definitive indicator of the fact that they currently have those with an active infection (at least at the time the swab was taken).

TECHNICAL CHARACTERISTICS OF THE ANTIBODY TEST:

– IgM Sensitivity: 100%
– IgG Sensitivity: 96.7%
– Accuracy in healthy subjects: 100%
– Accuracy in affected subjects: IgG 97.5% – IgM (91.3%;99.3%).


Serological tests have been widely used in countries where the response to the COVID-19 pandemic has proven to be as effective as in China, Taiwan and Singapore and recently also in Italy and the U.S.A..

They have also been used in several communities in the United States, based on previous guidelines on private laboratory diagnostics.

But on 26 March, the FDA appointed 29 entities to provide notification to the agency as required and are now able to distribute their tests.

Covid-19 Rapid Test, again, in the absence of better options such as extending the availability of EUA-approved tests, these serological tests (many of which can provide results on site with a simple drop of blood) will be useful to paint a more accurate picture of the spread and overall extent of the coronavirus, especially for smaller clinics, GP clinics and local laboratories that do not have priority access to the equipment and supplies needed for molecular testing efforts.

For example, a test on this list, the COVID-19 IgG/IgM (Whole Blood/Serum/Plasma) rapid test device, requires no instrumentation and can deliver results in just 15 minutes. These are real devices for all types of viruses and bacteria that allow us maximum protection with this single use.

The key role of the rapid test kits is the detection of antibodies; they cannot detect the virus.

“Antibody detection is used to test the level of antibodies in human blood,” said Feng Luzhao, a researcher at the Chinese Centre for Disease Control and Prevention.

“Patients in the early stages of a disease may not yet have antibodies in their blood,” he said. “Antibody detection can be used as an auxiliary diagnosis for patients who test negative for nucleic acid, but cannot replace nucleic acid tests.

Covid-19 Rapid Test, Rapid test kits should be used when a patient has shown symptoms for five consecutive days.

For nucleic acid tests, the sensitivity of different types of test kits and the operational approach by medical staff may also cause false positive or negative results in coronavirus tests.

What is the advantage of the integrated test over the simple antibody test?

The integrated test has the undisputed advantage of investigating the presence, even initially, of a condition of inflammation and in particular vasculitis, which we know to be present in the first stage of the disease even in the absence of antibodies.

Does having a positive PCR result mean that I have been infected with Covid-19 (coronavirus)?

Absolutely not!

It means that an inflammation is underway which may depend on multiple factors but which, given the pandemic condition, leads us to report your positivity to your doctor so that we can plan any further investigations (including a pharyngeal nose swab if necessary) and an antibody check after 7/14 days.

Does having a positive PCR and Interleukin 6 result mean that I have been infected with the coronavirus?

Not necessarily.

The coexistence of this biomarker, however, is a strong indicator of an inflammatory problem that may be related to infection in subjects with positive antibodies.

In this case, it is recommended to contact your doctor and proceed as soon as possible with the dosage of D-Dimer, which is a protein fragment of fibrin and indicates the start of an intravascular coagulation process that must be carefully evaluated.

Should the test be repeated?

In the opinion of the treating physician, the test may be repeated when there are doubts about its interpretation or the evaluation of the antibody response of the subject with COVID-19 RAPID TEST.

If I discover that I have antibodies already present, do I not risk anything?

If you are found to be highly positive for IgG antibodies you are obviously very well protected against the virus and the chance of developing a disease is low.

The simultaneous persistence of IgM means that the infection has been transmitted for less than 2 months.

If this COVID 19 RAPID TEST is negative, does this mean that I have not contracted the infection?

It means that you have not been infected for 10/15 days.

If this test is positive, will you tell me that I am protected from infection?

A positive test means that the virus has already been contracted and that you are developing resistance.

If the IgM is positive, it means that the virus has been contracted 10 to 15 days after primary exposure.

Bibliography:
Evaluation of a combined rapid IgM-IgG antibody test for SARS-CoV-2 infection. “
Posted: American Journal of Infectious Diseases

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COVID-19 IgG/IgM ANTIBODY RAPID TEST

COVID-19 IgG/IgM ANTIBODY RAPID TEST

COVID-19 NASOPHARYNGEAL SWAB

COVID-19 NASOPHARYNGEAL SWAB

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