Two types of COVID-19 tests, the rapid antigen test and the polymerase chain reaction (PCR) test, are available in the United States. The PCR typically relies on lab testing and is still considered ...

Digital PCR, or dPCR, is a molecular biology technique that detects and quantifies nucleic acid targets. By partitioning a sample into many individual reactions, scientists can measure whether a ...

Rapid COVID tests are convenient and easy to use because you can take them at home. But it's important to know how to interpret their results, when you should take another rapid test and when you ...

Ducharme is a contributor to TIME. A medical worker performs a COVID-19 test at a screening center in Saint-Denis, France, on Nov. 4, 2020. Ducharme is a contributor to TIME. If you had COVID-19 ...

Researchers often call the polymerase chain reaction test – known as the PCR test – "the gold standard" for detecting the COVID-19 virus. The test is considered highly reliable and effective, and it ...

Giardia can be hard to detect, but modern veterinary testing makes identification quicker and more accurate. From microscopy to antigen and PCR tests, veterinarians have reliable ways to confirm ...

At the start of the SARS-CoV-2 pandemic people who felt unwell had to join long queues for lab-based PCR tests and then wait for two days to learn if they were infected with the COVID-19 virus or not.

You might shudder at the thought of PCR tests making a comeback, but pleasingly, the latest wave have nothing to do with covid. Quirky microbiome skincare brand Gallinée has launched an at-home test ...