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Hyperosmia is a Tier 8 symptom exclusive to the Necroa Virus DLC. It causes the thinning of the nasal epithelium, which increases zombies' sense of smell. This increases your disease's severity.

Symptom Combos[]

In the event that the player uses this symptom in addition to Delirium, there is a possibility that the zombies will increase their ability to seek blood through their strengthened sense of smell plus a general paranoia in seeking humans, increasing the severity of the zombies around different parts of the world.[1] The combo is called "Blood in the Air".

References[]

  1. Necroa Virus Events - Game Files (See standard_necroa.txt) (Note: The combo is called "blood_in_the_air_combo" inside the game files)
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