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Table 1 Examples of relationships between interventions impacting drug supply chain and the mathematical model parameters

From: Toward health system strengthening in low- and middle-income countries: insights from mathematical modeling of drug supply chains

Relationship between government interventions and model components

Government intervention

Model component

Investment in prevention such as immunization programs

Population demand (D(t))

Building of new roads and highways, installation of railroads

Transportation time (τ)

Hiring of more personnel

Shipment periodicity (n)

Usage of higher capacity vehicles such as trains

Shipment size (A and B)

  1. In some cases, one intervention can impact multiple model components