In both The Last of Us Part 1 and Part 2, spores have always been a key part of the narrative. Whenever anyone but Ellie descends into a heavily infected zone, they put on a mask to make sure they don't get exposed. However, this is the first time it's been introduced in the adaptation.

Season 2 of The Last of Us, which comes from co-creators Craig Mazin and Neil Druckmann and finds stars Pedro Pascal and Bella Ramsey returning, picks up right where season 1 left

12. Season 2, Episode 5 introduces spores into the TV adaptation, which is the main threat of infection in The Last of Us video games. In the show, Nora chooses to go down to the basement where the spores are, while in the game, Ellie knowingly tackles Nora through a hole in the floor to the infected area.