(virology, dated) virus

ability; capability; capacity; faculty

infection, contagion

(archaic) the world in which people live; the world, society

human, person, human being / personality, character / (Buddhism) literally meaning: "human society", referring to one of the six realms of reincarnation in Buddhist cosmology.

(dated, rare) a place devoid of people

to become infected, to catch

capacity, competence

supernatural power, a psychic ability, such as ESP or psychokinesis / superpower

a werewolf