My charmander got the cured smiley face after 15 days, never seen pokerus be contiguous for that long. Also I received a shiny celebI with pokerus at level 100 from wonder trade again. I have quite a few pokemon that I got from wonder trade with pokerus. Ive testep some out and have a pokerus strain that is contagious for 1 day, another four days, and one that lasts 15 days. Still have quite a few I need to test