Why is Ellie immune in 'The Last Of Us'?

HBO’s 'The Last Of Us' faithfully adapts the acclaimed video game into a prestige post-apocalyptic drama series.

the Last of Us' Explains How Ellie Became Immune to Cordyceps

The Last of Us Episode 9 explains Ellie's immunity - Dexerto

THEORY: How is Ellie immune in The Last Of Us?

Does Ellie know she's immune to the virus in TLOU? - Quora

HBO's The Last of Us Hints at Why Ellie Is Immune

Ellie would still fucking cough from breathing in spores, they'd obstruct her airway regardless of if she was immune to the fungus : r/TheLastOfUs2

The Last Of Us Episode 9 Teases The Origin Of Ellie's Immunity

Now that I've finally played The Last of Us, who wants to talk about that ending?, Games

Ellie (The Last of Us) - Wikipedia

If Ellie believed Joel's lie, why is Ellie hiding her immunity? : r/TheLastOfUs2