Thanks for answering, the survivors have not disappeared again, so I have not been able to try the trick of the "u" key.
What has happened to me again is that another survivor has died, I don't know why this happens. The survivor had food and water, but health began to drop continuously until he died, he also had no injuries.
Does this happen to someone else? it's a mistake? Or are the survivors suicidal? Do they get sick? and if so, why do they get sick? can survivors get sick from nearby bodies?
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Gracias por resp