Contagious Touch

(Spell Compendium, page 52, DnD 3.5)

Necromancy

Level: ; Druid 4
Components: V, S
Casting Time: 1 standard action
Range: Touch
Target: Creature touched
Duration: 1 round/level
Saving Throw: Fortitude negates
Spell Resistance: Yes

Holding out your hand like it's dead, you croak out magic words and imbue your limb with a terrible disease.

Upon casting this spell, you choose one disease from this list: blinding sickness, cackle fever, filth fever, mindfire, red ache, the shakes, or slimy doom (DMG 292). Any living creature you hit with a melee touch attack during the spell's duration is affected as though by the contagion spell, immediately contracting the disease you have selected unless it makes a successful Fortitude save. You cannot infect more than one creature per round.