![]() ![]() A positive antibody test could also mean the test is detecting antibodies in your blood in response to your COVID-19 vaccine. Current information indicates people infected with SARS-CoV-2 can still transmit the SARS-CoV-2 virus and infect other people, even if they are COVID-19 vaccinated or have detectable SARS-CoV-2 antibodies from a previous infection.Īntibody Tests: Results and Terms Q: What does a positive SARS-CoV-2 antibody test result mean?Ī: A positive antibody test result could mean you previously had a SARS-CoV-2 infection or COVID-19. Antibody tests do not tell you whether or not you can infect other people with SARS-CoV-2. Can a SARS-CoV-2 antibody test tell me if I could infect other people?Ī: No. If you have questions about whether a SARS-CoV-2 antibody test is right for you, talk with your health care provider or your state or local health department. More research is needed to understand the role of SARS-CoV-2 antibody testing in evaluating a person's immunity or protection against COVID-19 and understanding if antibody tests will be helpful for deciding if a person should receive a COVID-19 vaccine. Also, some SARS-CoV-2 antibody tests may not detect the kind of antibodies created following vaccination. SARS-CoV-2 antibodies detected in your blood reflect only one part of your immune system, which also includes T-cells and other components that are part of your body's immune response. There is not a clear connection between SARS-CoV-2 antibody test results, the need for a COVID-19 vaccine or booster, or whether a vaccine worked in a person. At this time, antibody test results should not be used to decide if you need a COVID-19 vaccine or a vaccine booster, or to determine whether your vaccine worked. Q: Should I get a SARS-CoV-2 antibody test to decide if I need a COVID-19 vaccine or after I am vaccinated to see if my vaccine worked?Ī: No. And, SARS-CoV-2 antibodies detected in your blood reflect only one part of your immune system, which also includes T-cells and other components that are part of your body's immune response. More research is needed to understand what SARS-CoV-2 antibody test results can tell us. ![]() A positive SARS-CoV-2 antibody test does not necessarily mean you are immune or have immunity that will prevent COVID-19. At this time, SARS-CoV-2 antibody tests do not tell you if you have immunity that will prevent you from getting COVID-19. It also can take days to weeks after the infection for your body to make detectable antibodies.Īntibody Tests: Not for Use to Check Immunity Q: Will a positive result on a SARS-CoV-2 antibody test mean I have immunity and I will not get COVID-19?Ī: No. An antibody test does not show if you have a current SARS-CoV-2 infection or COVID-19 because the antibodies are part of the body's immune response to infection, and antibody tests do not test for the virus itself. A positive antibody test result can be used to help identify people who may have had a prior SARS-CoV-2 infection or prior COVID-19. Only COVID-19 diagnostic tests can be used to diagnose current COVID-19. An antibody test cannot be used to diagnose current COVID-19 because an antibody test does not detect SARS-CoV-2. Q: Are antibody tests used to diagnose COVID-19?Ī: No. Antibodies are just one part of your immune response. If antibodies give you this protection and how long this protection lasts can be different for each disease and each person. Your immune system can also safely learn to make antibodies through vaccination. Some antibodies in your body may protect you from getting those infections. Antibody Tests: Not for Use to Check ImmunityĪntibodies and Antibody Tests: The Basics Q: What are antibodies?Ī: Antibodies are proteins made by your body's immune system to help fight off infections, including those caused by viruses.Antibodies and Antibody Tests: The Basics. ![]() You have immunity that will prevent COVID-19,. ![]() You currently have COVID-19, the disease caused by the SARS-CoV-2 virus,.At this time, SARS-CoV-2 antibody tests do not tell you if: Scientists continue to learn more about COVID-19 and COVID-19 immunity. Antibody tests should not be used to tell you if you have an active COVID-19 infection. SARS-CoV-2 antibody tests can help identify people who may have been infected with the SARS-CoV-2 virus or have recovered from COVID-19. SARS-CoV-2 antibody tests detect antibodies to the SARS-CoV-2 virus. SARS-CoV-2 is the virus that causes COVID-19. Antibodies are developed by the body in response to an infection or after vaccination. ![]()
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