The rapid spread of COVID-19 has launched a flurry of new tests for the highly contagious virus, as researchers and medical providers race to track and understand the pandemic. Yet Illinois — like ...

Editor’s Note: After publication of this story, Virginia began to provide separate viral and antibody test data. Meanwhile, three other states and the CDC seem to be mixing their COVID-19 test types.

There are a couple of different kinds of tests that researchers have developed (and will continue to improve) and clinicians will be using to disrupt the COVID-19 pandemic. One will rely on detecting ...