A nasal swab, oral swab or saliva sample may be used. Anecdotally, clinicians report false negative rates of anywhere from 2. Giving the test too early or late, for example, can lead to a false negative.
Pcr tests may produce false negatives, failing to identify evidence of sometimes false negatives result from human error or problems with the procedure.
Giving the test too early or late, for example, can lead to a false negative. We know very little about how reliable tests are for people who don't feel sick. If your first covid test is negative, you should get tested again if you. Please share your stories, experiences, advice, as well as ask questions and seek support.