![]() ![]() You can also use this test to confirm if the immune system produced a robust antibody response to a new vaccine or infection. This is useful to determine whether the body still has antibodies from an old COVID-19 vaccine and/or infection. As such, a positive spike antibody test result will inform a vaccinated individual whether their body has made an antibody response to a COVID-19 vaccine and/or infection and provide their total COVID antibody level. COVID-19 vaccines authorized in the USA are designed to induce a spike antibody response. If you are vaccinated, this spike antibody test cannot tell if you’ve already had a past COVID-19 infection. When positive, this semi-quantitative test will also provide your antibody level, which helps you understand the relative strength of your results. A positive spike antibody test result in a non-vaccinated individual is representative of a prior COVID-19 infection. If you are non-vaccinated, a spike antibody test like this can tell if you’ve already had a COVID-19 infection. Please Note: If you’re vaccinated and want to confirm you had a previous COVID infection, you’ll need to check out our Comprehensive COVID Antibody Test. Learn your current COVID antibody score that you may choose to track over time for changes.Check whether you still have detectable COVID antibodies from your prior vaccines or infections.You tested positive for antibodies in the past from a prior COVID-19 vaccine and/or infection: Detect whether you still have protective COVID antibodies from your old immunizations and infections. ![]() ![]() Confirm you made antibodies from your recent vaccination or infection.You previously received a COVID-19 vaccine and also experienced a COVID-19 infection (in either order): Learn your current COVID antibody level that you may choose to track over time for changes.Check whether you still have protective COVID antibodies from an old vaccine.Confirm you made an immune response to a recent vaccine.You previously received a COVID-19 vaccine: ![]()
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