Dancing Plague is a colony event chain that has a very small chance to trigger 4 or 5 years after any colony has been founded. It can only happen once per game.
A Cause to Dance?
Strange occurrences have been reported among the colonists on [colony name]. Apparently many individuals have taken to dancing on the streets for hours and even days on end, refusing to stop until they are physically restrained.
So far, it has only affected a relatively small portion of the population, and our authorities have yet to establish a pattern.
The Dancing Plague
The isolated incidents of spontaneous, prolonged dancing on [colony name] have escalated somewhat, and groups of hundreds of [main species plural] are now compulsively dancing in a variety of different styles. Surprisingly, even those who have never shown much interest in dancing are suddenly able to perform expert moves, and the old among them have rediscovered the vigor of their youth. Although many residents are jokingly referring to it as the 'Dancing Plague', it is no joking matter - the dancers show no concern for their bodily needs, and risk dancing themselves to death.
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This is not natural! We must find out what is afflicting them.
Start the music - it's party time!
Dancing Plague Pathogen Isolated
Our researchers have succeeded in isolating the cause of the dancing incidents on [colony name]. It appears the culprit is a gas released by the local vegetation. This gas induces feelings of exhilaration and an irresistible urge to dance, while suppressing fatigue. It seems to be fairly benign, however, as the colonists' self-preservation instincts prevent them from literally dancing themselves to death. Furthermore, our scientists have developed a synthetic gas that - once released into the air - will neutralize the effects of the 'dancing gas'.
The Ravages of the Dancing Plague
The 'Dancing Plague' has taken a turn for the worse. At first, our medics took to using heavy sedatives to stop the dancers from dancing themselves to death. However, as they themselves were increasingly affected by the symptoms, the remaining medics were unable to cope, and scores of [main species plural] have collapsed from exhaustion.
The Dancing Plague Wears Off
Although our scientists are still baffled by the cause of the so-called 'Dancing Plague', its effects seem to have worn off before it could pose a danger to our colonists. Perhaps it was a pathogen that the settlers have grown immune to over time, or else an elaborate hoax to attract attention to [colony name]? Whatever the case, the settlers are no longer dancing!
Dancing Plague Neutralized
Our researchers have finally succeeded in isolating the cause of the dancing incidents on [colony name]. It appears the culprit is a gas released by the local vegetation, which induces feelings of exhilaration and an irresistible urge to dance while suppressing feelings of exhaustion, overriding [main species name] self-preservation instincts.
Fortunately, our scientists have developed a synthetic gas that - once released into the air - will neutralize the effects of the 'dancing gas'. Furthermore, it seems that the 'dancing gas' has certain valuable properties we can make use of, if we can extract it from the plants before it is released into the air.