“I tried to do everything the right way. I thought everything was good, even though I felt really crappy. And I got one of my friends sick. That’s the last thing I wanted. I was literally walking around infecting people not even knowing it.”
— Nick LaRocca, 36, of Cupertino, after a negative rapid antigen test for COVID-19, which is less sensitive than lab-processed PCR tests, led him to think he wasn’t infected.