- Fin5434p
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- Exalted Heroic Member
- gamertag: Fin
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"but you already knew that, I mean, how couldn't you?
Only when no Human brick is left atop another, shall we be satisfied with your destruction.
Whether or not Humanity had some kind of partial immunity to the Flood going on during their early encounter with the Flood, the Primordial's experiments in Primordium seem to have been successful.
By the end he is summoning in large sections of the Human population, presumably to boost his forces, and the Flood encountered during 'modern' Halo has no issues at all infecting humans.
If there was a cure, a deterrant/defense, then it is no longer viable.