On the Naughty List is a symptom combo exclusive to the Santa's Little Helper scenario. It makes humans unhappy because they are overweight, lazy, and drunk. This combo does nothing to infection rates. It only announces the unlocking of an achievement.
| Symptom Combos in Plague Inc. and Plague Inc: Evolved. |
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| Assassin ▪ Bath Time ▪ Blind Genius ▪ Blood in the Air ▪ Boomer ▪ Carpe Jugulum ▪ Cranial Dispersion ▪ Discovery Channel ▪ Fly Magnet ▪ On The Naughty List ▪ Oops ▪ Profuse Bleeding ▪ Projectile Vomiting ▪ Public Defecation ▪ Red Ape Redemption ▪ Red Rain ▪ Rude Awakening ▪ Runner ▪ Spitter ▪ Swine Flu ▪ Tank ▪ Ultimate Christmas ▪ Vampire Bat ▪ Walking Contradiction ▪ Walking Dead ▪ Zombie Panic |
