How Long For Results From Covid Rapid Test. If you are using the NHS for a test those who have had a rapid swab test - also known as lateral flow test - usually have their results back within two hours. How long it takes to get your result depends on the type of swab test you had.
A positive rapid antigen test result means you most likely have COVID-19. There are 2 types of swab test. Some sites may take a saliva sample instead of a mucus sample per the FDA.
PCRs are widely used in the infectious disease community.
However it depends on the test kit thats used. The rapid tests typically take 10-30 minutes per sample whereas the lab-based ELISAs take several hours but can test many samples at once. Some sites may take a saliva sample instead of a mucus sample per the FDA. How long it takes to get the results of a COVID-19 test varies.