Disease Immunity
The Medibirds (TF2 Freak) are immune to all diseases due to being alive masks.

Power/Ability to:

Immunity to diseases.

The power to be immune to all diseases. Variation of Contaminant Immunity.


The user's immunity, digestive, and other organ systems are enhanced or evolved far beyond that of a normal human's. They are completely immune to every kind of disease brought on by bacteria, viruses, or even parasites.


  • Immunity grants the user the ability to eat very rotten food.
  • Immunity to STDs gives the user the ability to have unprotected sexual interaction with anyone without harm.
  • User cannot be transformed via virus-based effects.
  • User is immune to biological weapons.
  • Higher-level users could survive extinction-level pandemics.
  • User's DNA could be used to create cures for even the worst diseases.



  • While immune from diseases, users are still vulnerable to actual poisons or toxins.
  • While they are immune, the user could accidentally pass diseases, carried on them or their clothes, to someone else.
  • May need to contract the disease to develop any actual immunity.

Known UsersEdit


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