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 ...

This decision, well within current norms for care, was nonetheless consequential: The president was forced to cancel a trip to advocate for legislation in support of the domestic semiconductor ...

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 ...

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 ...

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 ...