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.