Blood in the Air
Blood in the air
The Blood in the Air popup.


A heightened sense of smell combined with paranoia causes zombies to relentlessly search in an area where they smell fresh blood - increasing their severity

Symptoms Needed


Achievement Earned


Blood in the Air is a symptom combo exclusive to the Necroa Virus DLC which causes zombies with heightened senses of smell to seek fresh blood. Severity increases when this combo is in play. Delirium and Hyperosmia are required. The Jaws achievement is earned for forming this combo.

Symptom Combos in Plague Inc. and Plague Inc: Evolved.
AssassinBath TimeBlind GeniusBlood in the AirBoomerCarpe JugulumCranial DispersionDiscovery ChannelFly MagnetOn The Naughty ListOopsProfuse BleedingProjectile VomitingPublic DefecationRed Ape RedemptionRed RainRude AwakeningRunnerSpitterSwinefluSymptom CombosTankUltimate ChristmasVampire BatWalking ContradictionWalking DeadZombie Panic

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