Digital Herd Immunity and COVID-19 Vir B. Bulchandani, University of California, BerkeleyCPBF Seminar May 10, 2020 camera phoneCoronavirusCOVID-19COVID-19 immunityCOVID19DigitalfreeHerdimmune systemIMMUNITYsharinguploadvideovideo phoneVITAMINvlogYouTube
