BONUS - How Worried Should the Vaccinated be About Delta?

<p>With so much news about the Delta variant and calls for many vaccinated people to mask up again, <strong>Gigi Gronvall</strong> of the Johns Hopkins Center for Health Security talks with <strong>Stephanie Desmon</strong> about what we know right now about breakthrough COVID-19 infections and how worried the vaccinated should be about getting sick from COVID-19. "The more people who get vaccinated, the fewer chances the virus that causes COVID-19 has to mutate into an even deadlier virus," Gronvall says.</p>