The “last mile” of the vaccine supply chain—from the district storage facility to the clinics, schools, and homes where vaccines are given—can be tough. Often people on motorbikes, rafts, bicycles, animals, or foot carry vaccines to their final destination…
Our team at the Johns Hopkins Bloomberg School of Public Health and the Pittsburgh Supercomputing Center at Carnegie Mellon University employed software called HERMES that was specially designed to analyze supply chains. Using it, we developed and ran a series of scenarios, including different challenges a drone might face—inclement weather, wild animals, and even people shooting them down out of fear that they were part of a military operation.
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