This is a viral disease.

Scourge [55] 
    Innate Attack (Toxic) 1d [25.6] 
        Malediction (Speed/Range Table) [+150%] 
        Based on Activation Roll [+5%] 
    Innate Attack (Toxic) 1d [29.2] 
        Delay (Fixed, 1 Day) [+0%] 
        Follow-Up (Maledition-Based Innate Attack) [+150%] 
        Cyclic (18 Daily Cycles, Resistible, Mildly Contagious) [+110%] 
            This is a viral disease and can be stopped as such 
        Resistible (HT-3) [-15%] 
    Symptoms (Attribute Penalty: -3 to ST and DX after 1/3 HP) [+135%] 
    Symptoms (Disadvantage: Susceptible (Disease at -3, Very Common) after 1/3 HP) [+36%] 
    Symptoms (Moderate Pain after 1/3 HP) [+60%] 
    Symptoms (Upgrade to Severe Pain after 1/2 HP) [+40%] 
    Symptoms (Upgrade to Terrible Pain after 2/3 HP) [+20%] 
    Symptoms (Negated Advantage: Transcendant Beauty after 1/3 HP) [+60%] 
    Symptoms (Disadvantage: Ugly after 1/2 HP) [+16%] 
    Symptoms (Upgrade Ugly to Hideous after 2/3 HP) [+8%] 
    Cosmic (Hard to Cure) [+50%] 
        Requires a Cosmic disease cure 
    Magical [-10%] 
    Spell Components [-30%] 
        Must say "scourge" in Latin 
        Must crack a black whip ($20 and 2 lbs. for a 1 yard whip) at the target 
Level 2 [59] 
    Add Multiple Targets 1 [+50%] 
Levels 3+ [+4/level] 
    Increase Multiple Targets by 1 level [+50%]