163K views · 583 reactions | One out of 50 Covid-19 tests in the U.S. is processed at the University of Illinois at Urbana-Champaign. Here's how its researchers are tracking the spread of coronavirus on its campus, and how it's become a model of testing for other flagship universities: | NOVA l PBS | Facebook

How Does Saliva Work? | Howstuffworks

54K views · 226 reactions | Introducing a saliva test that will report back your genetic risk for the most common hereditary cancers (including breast & ovarian). Yes, saliva can do that! Lauren shares her story. | Color | Facebook