SARS-CoV-2 Antibody (IgG) details
What SARS-CoV-2 Antibody (IgG) shows
This test specifically measures IgG antibodies to SARS-CoV-2, the virus that causes COVID-19, indicating past infection, vaccination, or both. IgG antibodies generally develop within a few weeks of infection or vaccination and can persist for months afterward, though levels naturally decline over time and don't perfectly predict ongoing protection against reinfection, which is also influenced by evolving virus variants and individual immune factors.
Tests that include SARS-CoV-2 Antibody (IgG)
This test looks for antibodies that indicate a recent or prior infection with COVID-19. This test should only be done for patients that are 15 days or more post-symptom onset.
- SARS-CoV-2 Antibody (IgG) An antibody indicating past infection with or vaccination against SARS-CoV-2 (COVID-19).
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