source of infection

Alternative form of 病原

どの様, 何の様: what kind, what sort, what type

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

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

(dated, rare) a place devoid of people

殿: Mr., Ms., a more formal title than さん (-san) but not as respectful as 様(さま) (-sama)

どの様に: how (to what degree)

土嚢: sandbag

独活の木: Pisonia umbellifera