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Symptom Combo List
Oops: Sneezing + Diarrhea: Lowers productivity and increases awareness
Profuse Bleeding: Hemophilia + Skin Lesions: Infectivity++
Projectile Vomiting: Coughing + Vomiting: Infectivity
Public Defecation: Diarrhea + Insanity: Increase Research Speed (*** BEWARE
***)
Swine Flu: Nausea, Pneumonia, Vomiting, Diarrhea, Coughing, Sneezing,
Insomnia, Paranoia, Livestock 1 & 2: Decrease Research Speed (10% increase in
budget required for cure)
Walking Dead: Anemia + Insomnia: Decrease Research Speed
Necroa Virus Symptom Combos
Bath Time: Polyphagia + Autophagia + Cannibalism: Severity
Blood in the Air: Delirium + Hyperosmia: Severity
Boomer: Liquefied Organs + Authothysis: Severity
Cranial Dispersion: Cranial Elephantitis + Air 3: Transmission (?)
Tank: Anabolic Boost + Bone Dysplasia: Severity
Spitter: Naja Mortis + Enhanced Sensory Integration: Severity
Sprinter: Enhanced Movement Control(?) + Engorged Quadriceps: Severity
Walking Contradiction: Photophobia + Cathemeral Shift: Severity Decreased
Vampire Bat: Bat 2 + Vampiric Hunger: Severity; alerts zombies of nearby
humans
Symptom Upgrade List
Abscesses: Transmission; [unlock] Systematic Infection, Tumors
Anemia: Infectivity, Severity; [unlock] Hemophilia
Coma: Lethality, Cure Defense++; [unlock] Paralysis, Systematic Infection,
Total Organ Failure
Coughing: Transmission in Urban Regions; [unlock] Pneumonia, Sneeze
Cysts: Transmission; [unlock] Abscesses, Hyper Sensitivity
Diarrhea: Transmission, Transmission++ in Poor Regions, Lethality, Lethality++
in Poor Regions; [unlock] Dysentery, Pulmonary Edema, Vomiting
Dysentery: Transmission, Lethality; [unlock] Diarrhea, Insanity
Fever: Infectivity, Lethality; [unlock] Immune Suppression, Skin Lesions,
Sneezing, Sweating
Hemophilia: Transmission; [unlock] Internal Hemorrhaging, Tumors
Hemorrhagic Shock: Lethality; [unlock] Internal Hemorrhaging, Necrosis
Hyper Sensitivity: Severity, Severity++ in Rich Regions; [unlock]
Inflammation, Paralysis
Immune Suppression: Mutation, Lethality; [unlock] Fever, Sneezing, Total Organ
Failure
Inflammation: Lethality; [unlock] Hyper Sensitivity, Paralysis, Paranoia,
Seizures
Insanity: Cure Defense++; [unlock] Dysentery, Seizures
Insomnia: Severity; [unlock] Paranoia
Internal Hemorrhaging: Lethality; [unlock] Hemophilia, Hemorrhagic Shock,
Tumors
Nausea: Severity, Transmission; [unlock] Vomiting
Necrosis: Lethality, Transmission; [unlock] Hemorrhagic Shock, Skin Lesions
Paralysis: Cure Defense++, Lethality; [unlock] Coma, Hyper Sensitivity,
Inflammation
Paranoia: Severity; [unlock] Inflammation, Seizures
Pneumonia: Severity in Cold Climates; [unlock] Pulmonary Edema, Pulmonary
Fibrosis
Pulmonary Edema: Lethality, Transmission; [unlock] Diarrhea, Pneumonia,
Pulmonary Fibrosis, Vomiting
Pulmonary Fibrosis: Lethality; [unlock] Pulmonary Edema, Pneumonia, Total
Organ Failure
Rash: Infectivity; [unlock] Sweating
Seizures: Lethality; [unlock] Inflammation, Insanity, Paranoia
Skin Lesions: Transmission++; [unlock] Fever, Necrosis, Sweating
Sneezing: Infectivity++; [unlock] Fever, Immune Suppression
Sweating: Transmission, Transmission++ in Cold Climates; [unlock] Fever, Skin
Lesions
Systematic Infection: Transmission++, Lethality; [unlock] Abscesses, Coma,
Tumors
Total Organ Failure: Lethality++; [unlock] Coma, Immune Suppression, Pulmonary
Fibrosis
Tumors: Lethality; [unlock] Abscesses, Hemophilia, Internal Hemorrhaging,
Systematic Infection
Vomiting: Transmission; [unlock] Dysentery, Pulmonary Edema
Transmission Upgrade List
Air 1: Infectivity in Arid Climates, Plane Transmission; [unlock] Air 2
Air 2: Infectivity in Arid Climates, Plane Transmission; [unlock] Extreme
Bioaerosol if Water 2 upgraded
Bird 1: Infectivity, Land Transmission, Mutation; [unlock] Bird 2
Bird 2: Infectivity, Land Transmission, Mutation; [unlock] Extreme Zoonosis if
Livestock 2 and Rodent 2 upgraded
Blood 1: Infectivity in Poor Regions, Mutation; [unlock] Blood 2
Blood 2: Infectivity in Poor Regions, Mutation; [unlock] Extreme Hematophagy
if Insect 2 upgraded
Extreme Bioaerosol: Infectivity, Infectivity++ in Humid and Arid Climates,
Plane and Ship Transmission++
Extreme Hematophagy: Infectivity, Infectivity++ in Poor Regions, Mutation
Extreme Zoonosis: Infectivity, Infectivity++ in Rural and Urban Regions,
Mutation, Cross-Country Transmission++
Insect 1: Infectivity in Hot Climates, Mutation; [unlock] Insect 2
Insect 2: Infectivity in Hot Climates, Mutation; [unlock] Extreme Hematophagy
if Blood 2 upgraded
Livestock 1: Infectivity in Rural Regions, Mutation; [unlock] Livestock 2
Livestock 2: Infectivity in Rural Regions, Mutation; [unlock] Extreme Zoonosis
if Bird 2 and Rodent 2 upgraded
Rodent 1: Infectivity in Urban Regions, Mutation; [unlock] Rodent 2
Rodent 2: Infectivity in Urban Regions, Mutation; [unlock] Extreme Zoonosis if
Bird 2 and Livestock 2 upgraded
Water 1: Infectivity in Humid Climates, Ship Transmission; [unlock] Water 2
Water 2: Infectivity in Humid Climates, Ship Transmission; [unlock] Extreme
Bioaerosol if Air 2 upgraded
Play In Fast Forward
Sometimes near the end, it can take a while for anything to happen (get more DNA
points, etc.), so you can speed up the game. You do that by clicking on the date
box near the top-right of the screen. You can then play quicker. The pop-up
bubbles will stay longer, so you don't have to worry about popping them in time.