Roughly 53% of LA County residents are fully vaccinated, but cases and hospitalizations are rising. As the Delta variant spreads, people ages 18-29 are being hit hardest. Virologist and immunologist Paula Cannon attributes this spike to unvaccinated individuals, and pediatrician Dr. Leila Bozorgnia says it’s much more of a wildcard to get a COVID-19 infection than a COVID-19 vaccination.