1. What has your experience with SARS-CoV-2 taught you about the importance of the need for global monitoring of emerging viruses? 2. In the U.S., do you get an annual influenza vaccine? Why or why not? 3. The term herd immunity refers to many individuals in a population that are immune to an infection, usually by receiving a vaccine. Why would herd immunity be important to individuals who are vulnerable in a population?.