A rapid, single-use PCR test made by San Jose, Calif.-based diagnostics company Visby Medical, received FDA authorization Feb. 10 to be used in a wide range of facilities, including urgent care ...

UNIVERSITY PARK, Pa. — PCR tests, also called molecular tests or nucleic acid tests, are considered the gold standard in detecting the presence of SARS-CoV-2, the virus that gives rise to COVID-19.

PCR is a technique used to amplify target DNA in a sample. It’s a well-known method that has undergone numerous modifications to enhance its capabilities. This year, it’s turning 40 years old. PCR has ...

When TV shows like CSI: Crime Scene Investigation portray DNA processing in the forensic lab, the results appear instantly with a DNA match wrapping up the case in hours. However, the ...