Coronavirus Result Not Detected. If you develop any of these symptoms within 14 days of last contact with a person with COVID-19 you may have COVID-19. Viral nucleic acid or antigen tests check samples from the respiratory system such as nasal or oral swabs or saliva to determine whether an infection with SARS-CoV-2 the virus that causes COVID-19 is present.
Answer 1 of 11. Viral nucleic acid or antigen tests check samples from the respiratory system such as nasal or oral swabs or saliva to determine whether an infection with SARS-CoV-2 the virus that causes COVID-19 is present. Meaning if you are tested for the coronavirus and get either a positive or a result saying detected you are infected with the virus and should be quarantined whether you have symptoms or not.
This means that the virus was not found in your sample.
Meaning if you are tested for the coronavirus and get either a positive or a result saying detected you are infected with the virus and should be quarantined whether you have symptoms or not. A negative or not detected test result means that the virus that causes COVID-19 was not found in your sample. There are three types of results you can get back following a test Positive Negative or Not Detected and Invalid or Insufficient. COVID-19 antibodies not detected in up to 85 of patients study finds.