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Can a blood test for covid antibodies tell if you had covid in the past, even if you have been vaccinated and had a booster? In other words, can the test tell the difference between vaccine antibodies and antibodies from infection?
IGA - 398 High/IGG - 958 Normal/IGM - 45 Low CBC Normal - 3 months post COVID-19 IGG Positive Antibodies. Are the High IGA and Low IGM blood values concerning in the context of post COVID-19 infection? Thanks?
COVID-19 antibodies develop in body after COVID-19 infection and also after taking COVID-19 vaccine. Which one of these two antibodies last longer in the body?
Hello. I had blood work up done. One of the test were for covid antibodies. Sars cov 2 igg and sars cov 2 igm. I tested positive for the sars cov 2 igm test . Negative on the igg. Does that mean I was covid positive when I had the blood work ?
How accurate/reliable are COVID antibody tests? For how long after a possible/probable COVID infection would these tests indicate the presence of antibodies? Weeks? Months?
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