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 more costly but tends to ...

NEW YORK -- Millions of Americans have purchased rapid COVID-19 tests online or at local stores and signed up to receive test kits through a free government program. Unlike conventional, lab-processed ...

Viral and bacterial infections' overlapping symptoms and signs can complicate RSV diagnosis and lead to unnecessary antibiotic prescriptions. In this study, children who had RSV detected via a rapid ...

In early January, more than 700 Stanford University athletes took rapid Covid tests upon returning to the campus. Those who tested negative — and some who tested positive — were also given PCR tests.

Use of rapid antigen diagnostic tests for respiratory syncytial virus (RSV) in young children was tied to significant ...

The No. 1 national strategy for bringing the coronavirus pandemic to heel is vaccinations, but the federal government wants to see more robust testing for COVID-19, as well. Bethlehem-based OraSure ...

As the various subvariants of omicron continue to circulate in the U.S., rapid at-home tests remain an important tool for protecting yourself and others. Home tests are appealing because they allow ...