鼠疫

“A primary bacterial infectious disease that results_in infection, located_in lymph node, located_in vasculature or located_in lungs, has_material_basis_in Yersinia pestis, which is transmitted_by oriental rat flea (Xenopsylla cheopis) infected by feeding on rodents and other mammals, transmitted_by air, transmitted_by direct contact or transmitted_by ingestion of contaminated undercooked food.”