May 9, 2025 · PCR tests sometimes can stay positive for weeks after you’ve had COVID. This is because the PCR test is so sensitive it can detect even dead virus. The rapid test, called an …

Mar 19, 2025 · Learn the pros and cons of two COVID-19 test options: PCR and rapid test. Find out when to get them and which one is best suited for you.

Learn about the key differences between rapid tests and PCR tests from an expert in the field of COVID-19 testing. Find out which test is right for you...

Explore the contrasts between PCR and rapid antigen testing! 🦠 Discover accuracy, methodologies, timeframes, and practical uses in diagnosing infections.

RT-PCR and rapid PCR are two different techniques used to amplify genetic material in a cell. Learn the differences between the two, as well as their uses and if they can detect COVID-19.

Aug 20, 2025 · Think of PCR like a high-tech camera that zooms in to capture every small detail. Rapid antigen is more like a quick snapshot—fast but might blur some details.

The availability and choice between PCR and rapid antigen tests shape public health responses to viral outbreaks. PCR's accuracy supports detailed epidemiological studies, while the speed …

Although it is less sensitive than the RT-PCR test, the antigen test is an effective way to monitor infection in people who are in close contact with COVID-19 infected. Rapid antigen tests are …

Jun 8, 2023 · PCR is the most accurate test for detecting COVID-19, with a detection rate of 95% to 99%. Rapid tests are slightly less accurate, with a detection rate of 50% to 80%. PCR can …

Mar 30, 2022 · Polymerase chain reaction (PCR) and rapid (antigen) tests for COVID-19 both involve taking a swab. Results for a PCR test take longer, as it needs to go to a laboratory. It is …