How the Human Immune System Defends Against Disease
Kurzgesagt – In a Nutshell · Explainer · YouTube title: You Are Immune Against Every Disease
Why it's here
HN users call it a mind-blowing and good explainer on how the immune system works, and cite it in vaccine and disease threads.
What it covers
Kurzgesagt's animated explainer on the human immune system, describing the body as an ecosystem and how immune defenses cope with the variety of invaders. It promotes their book Immune.