Baby Boy Hausen was one of the newborns caught up in the epidemic in the maternity ward in the Season 1 episode Maternity. He was the second child who presented with symptoms after Baby Girl Hartig.

Hausen was suffering from a fever which rose to 101 F and was trending upwards. House though this pointed to a common infection source, but neither Wilson nor Cuddy believed him until Baby Boy Chen-Lupino became sick as well.

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