The edges of a blood stain will generally s<span>keletonize</span> within 50 seconds of deposition and be left intact even if the central area of a bloodstain is altered by wiping. Hope this helped! :)
It means it’s facts, it was based on true events. They write based on true events to portray that these things really do happen. It’s a scenario you might experience in life, and it shows what the characters did to get through the scenario.
Well not well the virus and everything then fires I think the world is trying to kill off humans
