Plague is a flea-borne zoonosis caused by the bacterium Yersinia pestis. Y. pestis mutants lacking the yersiniabactin (Ybt) siderophore-based iron transport system are avirulent when inoculated intradermally but fully virulent when inoculated intravenously in mice. https://www.bekindtopets.com/hot-save-Well-Rite-WR-240-Well-Pressure-Storage-Tank-Steel-81-Gal-great-buy/