This fact sheet describes how Project Optimize—a collaboration between the World Health Organization and PATH—and their partners are working with countries to model the impact of changes to vaccine logistics and supply systems on vaccine availability, using a powerful new modeling tool called HERMES (Highly Extensible Resource for Modeling Supply Chains).

Author(s): PATH, World Health Organization

Published: 2012

Resource types: PATH resource; Fact sheet

Diseases: Not disease/vaccine specific

Topics: Introduction and service delivery; Cold chain logistics and technologies

Regions: Africa; Asia