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Horde Vocalisation
AbilitiesHorde leaders attract nearby zombies with distinctive moans. Hordes can have hundreds of thousands of zombies

Horse 1
TransmissionsHorses susceptible to the pathogen and able to infect humans. Increase infectivity in rural and arid locations, as well as likelihood of mutation

Horse 2
TransmissionsPathogen spreads through horse faeces. Increase infectivity in rural and arid locations, as well as likelihood of mutation.

Horseback Riding
AbilitiesApes able to train and ride horses, significantly increasing movement speed over land
Hot climate
MechanicsHot climate is a type of climate. Countries with this climate are quite hot. Heat Resistance 1 and 2, Environmental Hardening, and Insect 1 and 2 helps your plague withstand the heat and spread in these countries. Also, if you start a plague in a hot country, it will be better suited for other hot countries than if it had started in a cold or balanced country. One famous hot climate country is Saudi Arabia.

Human Cross-infection
AbilitiesRadical folds of amino acid allow prion to be transmitted between humans. Unlocks new symptoms.

Humans weren't meant to fly
AchievementsInitiative combo: Humans weren't meant to fly
Humid climate
MechanicsHumid climate is a type of climate. Countries with this type of climate tend to be rather wet, enhancing the effects of Water 1. The Hydrophile gene also increases the disease's effectiveness in countries with humid climate. Two examples of a humid climate are the UK and India.

Hydrocephalus
SymptomsCerebrospinal fluid accumulates in cavities in the brain, increasing intracranial pressure. Highly lethal without treatment

Hydrophile
GenesGive your plague a bonus in humid climates

Hyper Salivation
SymptomsInflammation of the submandibublar gland increases saliva production and infection rates
Hyper sensitivity
SymptomsIncreases likelihood of allergic reactions which can distract the immune system. Rich regions particularly vulnerable

Hyper Sensitivity
SymptomsIncreases likelihood of allergic reactions which can distract the immune system. Rich nations particularly vulnerable.

Hyperdontia
SymptomsThe teeth in the Infected grow and can protrude from the mouth. Increases infectivity.

Hyperosmia
SymptomsThinning of the nasal epithelium significantly heightens zombie sense of smell. Increases severity

Hypocoagulability
SymptomsHypocoagulability is one of the symptoms presented in the branch of traits affecting the blood system in both Simian Flu and Shadow Plague. It causes significantly reduced ability of the blood to clot, which makes many patients bleed out. It will often cause death through exsanguination.

Hypotension
SymptomsLow blood pressure deprives organs of oxygen and nutrients, increasing severity and causing profound fatigue.

I am your Father
AchievementsResurrect Count Dracula

I never asked for this
AchievementsFeel the negative side of artificial organs

I will find you
AchievementsInvestigate a new disease outbreak

I'll Be Back
AchievementsSuccessfully use the Zombie re-animate active ability

Ice Age
ScenariosSolar variation reduces the amount of radiation emitted by the sun, triggering a minor ice age and lowering the global surface temperature by more than 5°C as well as triggering other climate change events. Is hell freezing over?

Ice Find
AchievementsStudy the DrillZero site

Ice Resistance
AbilitiesPathogen able to survive and spread in crystalline sea water when ice melts. Increases infectivity by sea, and is harder to cure

