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Photophobia is a symptom available in the Necroa Virus, Simian Flu and Shadow Plague DLCs, in addition to the Nipah Virus scenario.

Necroa Virus[]

Symptom Combos[]

Nipah Virus[]

In order to obtain this symptom, it is necessary to evolve Bat 1, Swine 1 or Horse 1. By using this symptom, the plague will receive a 0.01 increase in effectiveness for hot climates.

Simian Flu[]

This symptom causes the infected to experience discomfort when looking at bright lights, decreasing future cure research speed.

Government Actions[]

  • If the player evolves this symptom, the countries affected with the simian flu will begin to nationalize the sunglasses industry.

Shadow Plague[]

This symptom causes excessive optic nerve impulses that trigger a severe intolerance to light. This symptom increases infectivity as a result.

Cure Effects[]

Plague Cure Requirement Research Inefficiency
Necroa Virus +0.01 +0.02
Nipah Virus +0.02 +0.01
Shadow Plague 0 0
Nipah Virus +0.01 0
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