Almost five years in, it’s important to understand why PCR tests are the ones you want when accurate testing is important. The difference between a PCR and a Rapid Antigen Test What you normally think ...

RSV tests include nasal swabs or blood tests to detect the virus's genetic material or antibodies, but rapid tests provide quick results.

Attending staff conducted both rapid antigen and PCR tests on the participants, and then had them independently perform a rapid test as well. The patients were asked to report their own results, which ...

Because rapid tests can take days to show a positive result, if you suspect you have COVID, it's important to either get a PCR test to confirm or make sure you're isolating from others while you ...

Experts say rapid home tests still work to detect the latest variants of the virus that causes Covid-19, but how and when home tests are used has changed.

Therefore, the researchers directly compared the sensitivity of RATs and PCR tests in cases of COVID-19 infection known to be caused by the Omicron variant.

COVID-19 rapid tests are easy to take—and then toss. So most people never report their results, which leaves health officials with an incomplete picture of how much virus is circulating and ...

Thus, the possible link between false positive rapid antigen tests, which use nasal swabs, not blood samples, and antibody cross-reactivity with rheumatoid factor deserves reconsideration.