Pokérus

Pokérus is a harmless status condition that a Pokémon may get.

Obtainment

Pokérus has a small, random chance to be contracted by any Pokémon that is currently within a Party. Once it's been contracted, the Pokémon will have it for exactly 7 days, after which it will wear off, leaving a small immunity symbol () instead. Once a Pokémon has had Pokérus, it cannot get it again.

Effects

Pokérus has no negative effects^[probably]. ^{[does it have good effects?]}