The COVID-19 pandemic brought the term "Polymerase Chain Reaction testing" into the mainstream. The PCR method is a type of ...

Antigen tests are one type of rapid test that may help diagnose COVID-19. Some rapid tests can provide results in 15 minutes. But, they may not be as accurate as other types of tests, such as a PCR ...

A new National Academies of Sciences, Engineering, and Medicine report provides an overview of new approach methods in human health risk assessment of chemicals, and calls on the U.S. Environmental ...