&nbsp Avirus is an organism that can be placed by the player. It is similar to virus in terms of growth,

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Avirus defeating virus. While virus eats away at the soil, avirus does not.

but has two main differences:

  1. It is purple.
  2. It does not consume any other material or organism except virus (and thus, can be isolated without using electrified metal)

The description of Avirus is: "Anti Virus", since it competes with and consumes virus. If you cover it in wax it will die.