Get a Pokemon with Pokerus and put the Pokemon you want to have it in the party with it.
To transfer the PokeRus condition to other Pokemon, have the infected Pokemon in the party with the desired Pokemon and take it out to battle. After a few battles, most (or all) of the Pokemon will have contracted PokeRus.
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The Pokerus is not a cheat, but a random status aliment that Pokemon can contract. Obtaining Pokerus is largely random, but can be spread by having a Pokemon with Pokerus in the party with other uninfected Pokemon.
You mean pokerus it is a Pokemon desige that doubles how much experience you get in battle. It is a really rare to get it. also when you have it you can put it in the PC so it can spread to other Pokemon.
Pokerus is a virus that infects your Pokemon. It catches this virus from a wild Pokemon that also has pokerus. If you keep a Pokemon with pokerus in you party, your other party members will also get this virus. However, this is a good virus as it doubles the EVs you earn from battles. Your Pokemon will eventually lose pokerus in four days but you can preserve it by keepin it in PC and allowing your other pokemons catching it.
If you get a Pokerus, then you're very lucky. So keep the Pokemon that you want to get the Pokerus spread to, and keep them in your party. As you travel, the Pokerus will gradually spread to all of the Pokemon in your party. Another great note - If you want every single Pokemon you have to get Pokerus, then keep one Pokemon with Pokerus in your PC Box. I think the Pokerus doesn't go away there, so you can keep on spreading Pokerus to every other!
Pokerus is a virus that your Pokemon can get. It increases status and can spred to other Pokemon.