something good April 4, 2020 1:41 am SF Post-it Note Hearts Become Contagious In San Francisco people are posting hearts made of post-its in their windows as a kind of emotional SOS, a simple way to connect in these trying times. Lili Tan reports. US & World Videos 4:02 Updated COVID vaccines coming 3:12 California experiencing COVID summer surge 1:58 COVID summer surge: CDC data shows cases ‘very high' in California 2:23 Bay Area COVID-19 levels on the rise this summer 2:27 Summer surge? South Bay health officials keep close eye on COVID-19 concentrations