UC San Diego researchers are developing a simple way to test for COVID-19 risk. The technology comes in the form of a sticker placed on the outside of your mask. The sticker collects droplets from people's breath, and at the end of the day, you can find out if you've been exposed to COVID just by clicking a button. Details: https://abc7.la/3p95cSL | ABC7

2.5K views · 11 reactions | A little logo goes a long way. Ours got its start in San Francisco in the 1960s…but don’t be surprised if you see that Circle 7 somewhere else. See more ABC7 stories from the 60s. Watch #70YearsOfABC7 - https://abc7ne.ws/2xOnJuq | ABC7 News | Facebook