The neural pathways into the central nervous system Transmitted by fatal infectious species Pathogenic microbial prions Infected inhale secretions, onset of severe symptoms and condition Sudden breakdown of amino acids in dead organism Infection reaches the central nervous system And symptoms begin to show The foul odor of putrefying flesh Putrefying bacteria beginning of decomposition process Dead bodies begins to swell owing to gas formation Veins become discoloured The abdomen becomes very tight and swollen and the skin blister Tissues begin to soften. Organs and cavities are bursting. The nails fall off Soft tissues begin to liquefy, and the face becomes unrecognisable. Viral neuroinvasive disease The incubation period of the disease started Acute pain, uncontrolled movements Experience the periods of mania and lethargy Cerebral dysfunction, anxiety, insomnia, confusion Morbid hallucinations, progressing to delirium Mental and genetic disorders, syndromes deviant behaviors