Phew, it’s finally ready! About a month back, I had published the first chapter of my e-book ‘Covid-19. Explained.’ on the basic science of Covid-19. I was quite overwhelmed by the response – thank you! Of course, the response just raised the bar for the next chapter for me. And, while working on the same, as I shared last week, I got a bit lost in the ocean of immunology. In this second chapter, I’ve tried my best to simplify an incredibly complex (and utterly fascinating) phenomenon – the human immune system and its response to Covid-19. Let me know what you think. Here you …