Disease
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Note: This article is about treatable illnesses. For physical damage, see Injury. For other health conditions, see Ailments.
Colonists sometimes contract diseases. Diseases most often occur through random events that vary by biome and difficulty. Infections have a random chance of developing from an injury regardless of biome.
Effects
Diseases cause infected colonists to suffer symptoms, which can vary from disease to disease. Diseases progress through stages of intensity until either the colonist develops immunity or the disease runs its course, usually leading to death. Diseases progression generally follows a pattern of minor -> major -> extreme. The more severe the disease, the more dramatic the symptoms.
Treatment
At regular intervals, a resting colonist can be treated by a doctor. This slows the progression of symptoms and for most diseases it is critical to treat the colonist as often as possible. You cannot give a new treatment until 3 hours before the expiry of the previous one, and you can see the remaining time by hovering over the disease in the colonist's Health tab. The treatment interval varies for each disease.
Treatment Quality is determined by a variety of factors, including the doctor's skill and the quality of medicine used. Progression of the disease is slowed depending on how good the treatment was.
Immunity: Colonists will gradually develop immunity to potentially fatal diseases, such as wound infections or plague. When immunity reaches 100%, the symptoms will not immediately disappear, but will instead tick backwards towards zero with the colonist no longer needing any treatment. If the disease symptoms progress past 100% before immunity does, the colonist will die. Immunity Gain Speed is affected by the colonist's food, rest, bed quality, age, and blood filtration.
Blood Filtration is a major factor in getting better from diseases. Poor blood filtration may result in sicknesses developing faster than they would usually. Older colonists are more susceptible to sickness than younger ones. Colonists with only one kidney have their blood filtration reduced by 50%.
Diseases
Most diseases have the following:
- General Symptoms - initial symptoms that develop in the first few days of being sick.
- Advanced Symptoms - symptoms that set in when the disease progresses for any reason (e.g. being untreated or gets worse).
- Treatment - some illnesses are treatable with medicine, but not all diseases are treatable, especially chronic diseases.
Fatal diseases
The below diseases have the potential to kill affected colonists if not treated well.
Flu
Main Page: Flu
Trivial disease that can be caught anywhere. Generally not fatal to healthy colonists.
General Symptoms:
- Reduced Consciousness
- Impaired Manipulation
- Hindered Breathing
Advanced Symptoms:
- Vomiting
- Mild Pain
Treatment:
- Medicine
Plague
Main Page: Plague
Somewhat deadly disease that can be caught anywhere.
General Symptoms:
- Moderate Pain
- Somewhat Reduced Consciousness
- Somewhat Reduced Manipulation
Advanced Symptoms:
- Excruciating Pain
- Loss of Consciousness
- Difficulty in Breathing
Treatment:
- Medicine
Malaria
Main Page: Malaria
Disease that can be especially caught in jungles. Reduces blood filtration.
General Symptoms:
- Reduced Blood Filtration
- Slightly reduced Consciousness
- Slightly hindered Manipulation
- Vomiting
Advanced Symptoms:
- Loss of Consciousness
- Moderate Pain
- Frequent Vomiting
Treatment:
- Medicine
Infection
Main Page: Infection
Occurs in open wounds, frostbite, and burns when left untreated or in unsanitary environments. Progresses and kills rapidly if poorly treated.
General Symptoms:
- Mild pain
- Reduced Consciousness
Advanced Symptoms:
- Loss of Consciousness
- Excruciating Pain
- Breathing difficulties
Treatment:
- Medicine
- Amputating the affected part
Sleeping Sickness
Main Page: Sleeping sickness
Slow-progressing disease exclusive to the jungles of the RimWorlds.
General Symptoms:
- Trivial Pain
- Moderately reduced Consciousness
- Slightly reduced Manipulation
- Occasional Vomiting
Advanced Symptoms:
- Loss of Consciousness
- Frequent Vomiting
- Moderate Pain
Treatment:
- Medicine
Non-fatal
These diseases cannot kill the colonist but can hamper effectiveness.
Gut Worms
Main Article: Gut worms
A parasitic disease that infects the stomach, which doubles the host's hunger rate.
General Symptoms:
- Increased hunger rate (200% of base)
- Increased vomit rate (to average once per day)
Advanced Symptoms:
- None
Treatment:
- Treated with medicine
- Treatment duration: 120,000 ticks (2,000 secs)
- Total treatment quality required: 300%
- For example, the disease can be treated with 3 treatments at 100% quality, or 5 at 60%.
- Can also install a bionic stomach to get rid of the disease and prevent future occurrences.
Muscle Parasites
Main Article: Muscle parasites
A parasitic disease hampering the muscles. The disease does not kill the patient.
General Symptoms:
- Pain (+20%)
- Impaired manipulation (-30%)
- Impaired movement speed (-30%)
- Tiredness (x200%)
Advanced Symptoms:
- None
Treatment:
- Treated with medicine
- Treatment duration: 120,000 ticks (2,000 secs)
- Total treatment quality required: 300%
- For example, the disease can be treated with 3 treatments at 100% quality, or 5 at 60%.
Fibrous Mechanites
Main article: Fibrous mechanites
Fibrous Mechanites is a mechanite disease which brings mild pain in early stages but boosts several attributes. This disease does not kill the patient.
General Symptoms:
- Tiredness (x170%)
- Mild pain (+0.2)
- Improved manipulation (+50%)
- Improved movement speed (+50%)
- Improved blood pumping (+50%)
Advanced Symptoms:
- Intense pain (+0.6)
- No additional stat boosts over early stages
Progression:
- Severity increases by 0.25 per day when not tended
- Severity decreases by up to 100% per day when tended; actual rate depends on treatment quality
Treatment:
- Treated with or without medicine, though medicine improves treatment quality, preventing disease from progressing.
- Treatment interval: 120,000 ticks (2,000 secs)
- Can disappear as early as 900,000 ticks (15,000 secs)
- Can last as long as 1,800,000 ticks (30,000 secs)
Sensory Mechanites
Main Article: Sensory mechanites
A mechanite disease which brings mild pain in early stages but boosts sensory perception. This disease does not kill the patient, but still produces intense pain.
General Symptoms:
- Mild pain (+0.2)
- Improved sight (+50%)
- Improved hearing (+50%)
- Improved talking (+50%)
- Improved manipulation (+30%)
- Tiredness (rest fall factor) (x170%)
Advanced Symptoms:
- Intense pain (+0.6)
- Tiredness (rest fall factor) (x200%)
- No other additional effects over early stage
Progression:
- Severity increases by 0.25 per day when not tended
- Severity decreases by up to 100% per day when tended; actual rate depends on treatment quality
Treatment:
- Treated with or without medicine, though medicine improves treatment quality, preventing disease from progressing.
- Treatment interval: 120,000 ticks (2,000 secs)
- Can disappear without treatment as early as 900,000 ticks (15,000 secs) (1 quadrum)
- Can last without treatment as long as 1,800,000 ticks (30,000 secs) (2 quadrums)
Disease Frequency
| Difficulty | Disease interval multiplier |
|---|---|
| Peaceful | 3 |
| Base builder | 3 |
| Some challenge | 1.5 |
| Rough | 1.0 |
| Intense | 1.0 |
| Extreme | 0.9 |
