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Anthrax, caused by Bacillus anthracis, is considered a severe bioterrorism threat because of its high mortality rate. The Chicago Healthcare System Coalition for Preparedness and Response (CHSCPR) aims to pre-position antibiotic medical countermeasures (MCMs) at healthcare facilities in order to provide on-site anthrax post-exposure prophylaxis. Pharmacists proposed moving toward a new process that involved the development of a standardized calculation methodology for acquiring supply drugs. This was an interventional quality improvement project aimed at optimizing inventory, acquisition, and distribution of antibiotic MCMs for anthrax post-exposure prophylaxis at Chicago hospitals for hospital personnel, associated first responders, and their families. The primary goal of the project was to pre-position a sufficient quantity of pharmaceuticals to allow Chicago hospitals to function as closed points of dispensing (PODs) for 72 hours; a secondary goal was to provide a 96-hour supply of anthrax post-exposure prophylaxis. A total of 35 Chicago hospitals were invited to participate in this intervention study, and 30 hospitals agreed to participate. Based on our calculation tool, we initially identified 6 (20%) hospitals with adequate oral doxycycline and ciprofloxacin inventory to last 72 hours and 3 (10%) hospitals with inventory to last 96 hours as a closed POD for anthrax post-exposure prophylaxis. The necessary quantities of medication needed to establish 72 and 96 hours of anthrax post-exposure prophylaxis were calculated by the CHSCPR and negotiated with a drug wholesaler to obtain product with maximum shelf-life and discounted pricing. Acting as a group purchaser, the CHSCPR organized drop shipment of medication directly to facilities from a wholesaler. This systematically calculated, pre-deployed pharmaceutical cache enhanced availability of antibiotic MCMs for anthrax post-exposure prophylaxis in 30 Chicago hospitals, allowing them to function as closed PODs for 96 hours during an incident.

One of the most time-sensitive and logistically-challenging emergency response operations today is to provide mass prophylaxis to every man, woman and child in a community within 48 hours of a bioterrorism attack. To meet this challenge, federal, state and local public health departments in the USA have joined forces to develop, test and execute large-scale bioterrorism response plans. This preparedness and response effort is funded through the US Centers for Disease Control and Prevention's Cities Readiness Initiative, a programme dedicated to providing oral antibiotics to an entire population within 48 hours of a weaponised inhalation anthrax attack. This paper will demonstrate how the State of Florida used a logistics modelling tool to improve its CRI mass prophylaxis plans. Special focus will be on how logistics modelling strengthened Florida's resource management policies and validated its public information strategies.