A PCR test — which is far more sensitive than the rapid home tests we are now accustomed to taking — can show up positive long after you are actually contagious.

But PCR tests can take a day or longer to process, while rapid test results are available within 15 minutes. If you have COVID-19 symptoms and get a negative rapid test result, the FDA suggests ...

If you’re symptomatic, but your at-home test results come back negative, it’s a good idea to keep testing — either through more at-home tests or a lab-based PCR test.

If you test negative for COVID, can you be contagious? It depends. Here's what to know about COVID testing in 2024, and what your COVID test results may mean.

If you test negative for Covid-19 but still have symptoms that appear to be Covid-related, CNN medical analyst Dr. Leana Wen explains what your symptoms could mean and what you should do next.

With new COVID cases in Florida on the rise, taking an easy-to-get rapid test can give you quick results. But the timing has become tricky. If you have COVID-19 symptoms, such as fever, cough, cong… ...

But PCR tests can take a day or longer to process, while rapid test results are available within 15 minutes. Advertising If you have COVID-19 symptoms and get a negative rapid test result, the FDA ...

But a negative test is not a guarantee you don’t have COVID. It could be that your symptoms are an immune response signaling the arrival of COVID or another invader.

If you start showing COVID symptoms this weekend but test negative with an at-home test, CDC guidance says there’s still a chance you have the virus. You’re asked to test again within the next ...

If you continue to have symptoms, you may want to test again 24 to 48 hours later, when your viral load may be higher. You may also consider getting a PCR test at a testing site, which is more ...

The PCR test is more accurate, though the caveat is that it picks up viral remnants. That means if it’s positive, it could mean you recently recovered from Covid-19.