It is believed that of those exposed to traumatic conditions between 5 % and 80 % will develop PTSD depending on the severity of the trauma and personal vulnerability. (psychology.wikia.com)
But the new tie - in comic, Infinity War: Prelude, features a scene where a main character from Black Panther, Shuri, figures out how to de-program his extremely traumatic conditioning. (inverse.com)
Many animals release pheromones (chemical scent signals) under traumatic conditions that linger in the air and may cause fear reactions in animals that detect them. (riverviewanimalhospital.com)