Ellie and Joel in season one, episode three of "The Last of Us."
Liane Hentscher/HBO
- Warning: There are spoilers ahead for season one, episode three of "The Last of Us."
- Joel says the cordyceps outbreak likely started by mutating and tainting foods with flour or sugar.
- Joel, Sarah, and Tommy likely weren't infected on episode one because they avoided eating pancakes, biscuits, and cake.
Sunday's episode of "The Last of Us" revealed how the cordyceps fungal...