Is Everyone Infected in The Walking Dead? According to the CDC, Yes They Are Is everyone infected in The Walking Dead? This is one of the most heavily searched keyword terms in the entire Walking Dead Google series, and in fact yes everyone is infected in The Walking Dead. We first find this out during Season 1 episode 5 "Wildfire," although it is not officially revealed until the Season Finale of Season 2 after the battle of the farm when the [...]