Its name is Mycobacterium tuberculosis, and it sallies forth on spumes of sputum each time an infected inmate coughs or sneezes.

• 这个杀手就是结核杆菌。 它的传染途径是飞沫传染，例如已染病的同牢房的犯人每次咳嗽或打喷嚏喷出的唾液或痰沫就是传染源。