AC: Increase all acs by 2
Special Defense: A diseases beast gains DR 2/-
Attacks: A diseased creature gains a natural bite attack fir a creature of its size. If he already has a bite attack the damage increases as if by 1 size.
Disease: Each diseased creature has a random disease generated at creation. Whenever he hits with a natural attack, he has a chance to inflict the disease on the one he attacked.
Abilities: strength, dexterity, wisdom and constitution +2.
Feats: All diseased gain toughness.