Types of Immunity

In this video That Bio Doc talks about the difference between natural and artificial immunity, the different strategies used to create vaccines, and herd immunity, with a special focus on COVID-19.

*** IMPORTANT: A NEWER VERSION OF THE VIDEO IS NOW AVAILABLE WITH UPDATED NEW INFORMATION INCLUDING A DISCUSSION ABOUT COVID-19 VACCINES ***

Link to updated video: https://youtu.be/WrLLaZ4_l-I