How to get a molecular/PCR test Outside of your home, your main options now are urgent care clinics and places that do testing for travel. In both cases, they’ll be expensive. In the case of urgent ...

Why do COVID-19 PCR and antigen tests produce different results? Earlier this year, the FDA urged people to test again after 48 hours if they get a negative result or seek out one of the more ...

Each household is eligible for four at-home COVID tests, though those who did not take advance of September's round can get up to eight.

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

Have questions about COVID tests? Here's what to know about expiration dates, free testing and more Here's what you need to know, including what to do if you test positive, where you can get ...

After exposure to COVID-19, most infections become detectable within 3–7 days. Testing too early can yield false negatives, ...

Multiple infectious disease specialists told USA TODAY COVID-19 PCR tests cannot be used to clone humans.

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.

A false positive result is possible with a rapid COVID-19 test. It happens when a person does not have COVID-19 but still tests positive for the disease.