Positive Covid 19 Antibody Test Results
Covid 19 antibody test results could be.
Positive covid 19 antibody test results. This means you have not been infected with covid 19. Please note it may take 14 21 days to produce detectable levels of igg following infection. You tested negative for covid 19 igg antibody. It s possible to have a positive test result even if you never had any symptoms of covid 19.
This result means that you were likely infected with covid 19 in the past. If you had a test because you had symptoms self isolate for at least 10 days from when your symptoms started. A positive test result shows you may have antibodies from an infection with the virus that causes covid 19. The negative likelihood ratio is 0 3 which is a moderate result but not nearly as compelling as a positive result because of the moderate sensitivity about 70 of the covid 19 test.
Other coronaviruses cannot produce a positive result on a. People who receive positive results on an antibody test but don t have symptoms of covid 19 or have not been around someone who may have covid 19 are not likely to have a current infection. However all tests including the covid 19 antibody test can give positive results that are incorrect i e false positive results. If your antibody test result was positive this means that the test shows that you have covid 19 antibodies in your blood.
Here s what you need to know about covid 19 antibody tests. They can continue with normal activities including work but still take steps to protect themselves and others. There is also a chance that the positive result is wrong. The test looks for one or both kinds of antibodies to sars cov 2 the virus that causes covid 19.
A positive result means you had coronavirus when the test was done. If your test result is positive you must self isolate immediately. If you had symptoms consistent with covid 19 within the past 3 weeks and tested negative repeat testing in 1 2 weeks may yield a positive result. A positive test means you have covid 19 antibodies in your blood which indicates past infection with the virus.
If you have a positive test result on a sars cov 2 antibody test it is possible that you have recently or previously had covid 19. Igm antibodies which happen early in an infection igg antibodies which are more likely to show. In the case of the nasopharyngeal swab rna test for covid 19 the positive likelihood ratio is about 14 which is excellent 6 a positive covid 19 test result should be very compelling.