1/2 This probably aligns with what overall national exposure may be, on order of about 5% once we do wide serology. Santa Clara was a hot spot and I would have expected exposure to be higher. Overall we're probably diagnosing 1 in 10 to 1 in 20 infectionshttps://www.cnbc.com/2020/04/17/santa-clara-covid-19-antibody-study-suggests-broad-asymptomatic-spread.html?__source=iosappshare%7Ccom.apple.UIKit.activity.PostToTwitter …