"The first round of results, which have been collected but not yet published, makes clear that many people have been infected and are not showing symptoms."

"Stanford University also began offering widespread serology testing to anyone who wants it...has the capcity to perform 750 serology tests a day and expects to increase capacity soon."

Los Angeles also just started an antibody test of 1,000 people. Will be testing Friday and Saturday. "Participants were invited through a marketing firm to create a random sample that mirrors the demography of the county." County will make its analysis public late next week.