New COVID-19 restrictions for international travel and other activities are fueling consumer demand for highly accurate polymerase chain reaction, or PCR, tests with rapid turnaround times. Some ...

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 ...

Early in the pandemic, when someone walked into a clinic with a possible case of COVID-19, a nurse or doctor would stick a long swab up their nose to take a sample. They would then ship it to a ...

More people checking for Covid-19 infections are choosing rapid, at-home antigen tests over PCR tests processed at laboratories, making variant-driven waves harder to track and helping to spur a ...

July 25 (UPI) --Scientists at Columbia University unveiled research Monday they said is "a step closer" toward bringing polymerase chain reaction, known as PCR, testing for COVID-19 and other viruses ...

Biosensing technology developed by engineers has made it possible to create gene test strips that rival conventional lab-based tests in quality. When the pandemic started, people who felt unwell had ...

The nanopore optofluidic chip used in the new diagnostic system, with a PCR thermocycler in the background for comparison. The new system could easily fit into a researcher’s lab or clinician’s office ...