HOUSTON, Texas -- As things open back up, we're seeing some places require COVID-19 testing. At-home rapid COVID tests can produce results in minutes. To find out how they work and just how effective ...

A PCR test detects the actual genetic material of the virus and involves a step that amplifies the presence of any material ...

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 ...

Rapid tests are not as sensitive, meaning it's possible for patients who are infected with COVID to receive a negative result. WASHINGTON -- President Joe Biden plans to announce on Tuesday that his ...

The best time to take an at-home COVID-19 test may be on the fourth day of having symptoms, according to a study published in the journal Clinical Infectious Diseases. Researchers looked at nearly 350 ...

As summer comes to an end, COVID-19 cases are on the rise again in California. While respiratory viruses usually peak in the winter, the novel coronavirus can also surge in the warmer months.

Seemingly expired COVID test kits continued to prove useful as health officials advised New Yorkers to check for extended expiration dates on the at-home respiratory virus fighting tool. The COVID ...