A polymerase chain reaction (PCR) test can be positive for up to 90 days after infection. The discrepancies between tests and ...

However, people who've had COVID-19 may continue to test positive on PCR tests for up to 90 days, so it may be difficult to ...

Covid testing rules are to be eased for people without symptoms, who will no longer need to confirm a positive lateral flow test with a PCR. While Covid levels are high, people can be confident ...

Norman Regional Health System is alerting the community tonight about a surge they say they're seeing in flu and RSV cases.

The time it took to produce a positive result improved dramatically. A PCR test takes an hour or so due to its genetic material amplification process. A remaining challenge to overcome was the ...

The FDA granted marketing clearances for infectious disease tests, updates to a digital pathology system, and immunoassays for chronic diseases.

Four horses in Ontario recently tested positive for strangles. The horses live in Simcoe and Essex counties.