We talk to La Jolla Institute of Immunology’s Dr. Shane Crotty about health officials recommending that vaccinated people get a COVID-19 booster shot. Plus, with the school year starting, we talk about the latest guidance on what to do when a student tests positive for COVID-19. And, the binational Friendship Park has its 50th anniversary today, but is stil not fully reopened. A group of activists on both sides of the border is working to change that.