How Long Results For Covid Antibody Test. This test is not widely available yet. Antibodies can take days or weeks to develop in the body following exposure to a SARS-CoV-2 COVID-19 infection and it is unknown how long they stay in the blood.
Whether you test positive or negative for COVID-19 on a viral or an antibody test you still should take steps to protect yourself and others. You are showing early signs of COVID-19. Antibodies usually start developing within 1 to 3 weeks after infection.
The length of time it takes to receive COVID-19 test results varies across the US.
The length of time it takes to receive COVID-19 test results varies across the US. This test is not widely available yet. The team then compared antibody profiles of the COVID-19 patients to those of people negative for COVID-19. It does not mean they are currently infected.