A polymerase chain reaction (PCR) test can be positive for up to 90 days after infection. The discrepancies between tests and ...
When you first get sick, you may go a number of days (as many as five) without enough virus to set off a positive RAT test.
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 ...