Allen Agent
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What is the purpose of COVID-19 antibody testing?
On an individual level, an antibody test looks for antibodies in the blood. Your immune system makes antibody proteins to help fight infections. If you were exposed to COVID-19, an antibody test wi...
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What guidance does the FDA provide regarding COVID-19 antibody testing?
Antibody testing can play a critical role in the fight against COVID-19. It can help identify individuals who may have been exposed to COVID-19 and have developed an immune response. Using antibody...
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Can antibody tests be used to diagnose a COVID-19 infection?
Antibody tests do not show whether a person is currently infected. A molecular (PCR) test is a more reliable indicator of current COVID-19 infection. Antibody testing by itself should not be used t...
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What are the different types of antibodies? Do they offer different types of immunity?
There are three different types of antibodies: IgM, IgG, and IgA. Immunoglobulin M (IgM) is usually produced as the body’s first response to an infection. However, for COVID-19, IgM antibodies ar...
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What is the chance that my COVID-19 antibody test result was a false positive?
False positives occur when a person tests positive even though they DO NOT have the antibodies for COVID-19. There is a small chance that the result could be a false positive. Manufacturers must de...
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How do I know that my COVID-19 antibody test is reliable?
PfizerHealth only uses COVID-19 tests that have received either Food and Drug Administration (FDA) approval or Emergency Use Authorization (EUA). These approved tests minimize the chance of inaccur...
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Do all COVID-19 antibody tests look for the same types of antibodies?
All COVID-19 antibody tests look for antibodies in the blood specific to the virus. There are antibody tests that look for one specific antibody (such as an IgG test). Other antibody tests look for...
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How do I know if my COVID-19 antibody test is accurate and reliable?
PfizerHealth only uses COVID-19 tests that have received either Food and Drug Administration (FDA) approval or Emergency Use Authorization (EUA). These authorized tests minimize the chance of inacc...
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Can I use a semi-quantitative COVID-19 antibody test to track my antibody levels over time?
This test provides a numerical value that helps determine whether or not you have antibodies at the time of testing. However, it is still unknown whether or not it is useful to track antibody level...
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Can I use a semi-quantitative COVID-19 antibody test to determine my level of immunity?
A semi-quantitative antibody test can help identify individuals who have developed an immune response after exposure to COVID-19 or vaccination. However, it should not be used to determine the leve...