Scanning for answers to a pandemic

By Bill Gates

There’s a lot we still don’t know about COVID-19. How many people are infected with the virus, including those without symptoms? Is it seasonal or weather dependent? And when will it be safe to get back to work and send kids back to school?

Here’s the story of a new disease surveillance program in Seattle that may help answer some of these questions. The Seattle Coronavirus Assessment Network—or SCAN—is a first-of-its-kind, at-home virus testing program that will improve our understanding of the outbreak in Seattle and provide valuable information about the virus for other communities around the world.

Read more about SCAN.