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Dec 16, 2022 · Antibody testing should not be used to determine whether someone is currently infected with SARS-CoV-2. Viral tests detect current infection. Antibody testing is not currently recommended to assess for immunity to SARS-CoV-2 following COVID-19 vaccination or to assess the need for vaccination in an unvaccinated person.
Mar 18, 2024 · This should be considered when choosing whether to test for antibodies originating from past infection versus those from vaccination. FDA continually monitors the accuracy of COVID-19 tests. Their website provides up-to-date information on the impact of viral mutations on COVID-19 tests.
Dec 20, 2022 · Overview. COVID-19 antibody testing is a blood test. The test can provide information about how your body reacted to infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). SARS-CoV-2 is the name of the virus that causes coronavirus disease 2019 (COVID-19). It also can show how your body reacted to COVID-19 vaccines.
People who receive positive results on an antibody test and who are currently or recently sick or have been around someone with COVID-19 should follow CDC recommendations on caring for themselves and protecting others, and when they can be around other people again.
May 11, 2023 · Accurate identification of infection and clinical management of COVID-19 requires performing the test properly and correctly interpreting the results. Patients who test positive should follow CDC isolation guidance for next steps.
Antibodies most commonly become detectable 1–3 weeks after Recommendations for Use symptom onset, at which time evidence suggests that infectiousness likely is greatly decreased and that some degree of immunity from future infection has developed.
