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 ...

PHILADELPHIA (WPVI) -- As the world was shielding itself from COVID-19 in 2020, Dr. Ping Wang and her team at the University of Pennsylvania's School of Medicine were studying it on a microscopic ...

As family and friends gather over the winter season to spread holiday cheer, they may also unwittingly spread the flu and COVID-19. At-home COVID-19 tests were an important part of preventing viral ...

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 ...