Using the example of COVID-19, a positive PCR result indicates that the test found SARS-CoV-2 in the sample. This suggests that the person may develop COVID-19. Some people have the viral ...

Here, we describe a method of systematic PCR screening with multiround sample pooling for the isolation of rare PCR-positive samples. As an example, we have applied this protocol to the recovery ...

GREENSBORO, N.C. — You took two COVID tests: One is a rapid at-home test, and it's negative. One is a PCR test, done through a clinic and a lab, and it's positive. Is one of the tests wrong? The ...

CHARLESTON, S.C. (WCSC) - There have been almost 6.2 million COVID tests conducted in South Carolina since the pandemic began. A total of 451,026 cases have been confirmed to date. But, what’s the ...

Nova Scotia's health authority announced Thursday it is resuming confirmation PCR testing for those who test positive on a rapid antigen test, saying its microbiology lab now has the capacity to ...