The hosts of this podcast do an incredible job communicating very complex science and hugely broad historical context in a casual, engaging and listenable way. With the current environment of devaluing science and ignorance regarding immunizations, this podcast cannot be lauded enough for its educational value, while still being entertaining. Every poor review here is blatant sexism in thin disguise. Oh, you find their laughter and enjoyment of their field annoying? Well, sir, you probably never wash your hands anyway.