Programmatic implications of implementing the relational algebraic capacitated location (RACL) algorithm outcomes on the allocation of laboratory sites, test volumes, platform distribution and space requirements

Introduction: CD4 testing in South Africa is based on an integrated tiered service delivery model that matches testing demand with capacity.The National Health Laboratory Service has predominantly implemented laboratory-based CD4 testing.Coverage gaps, over-/under-capacitation and optimal placement of point-of-care (POC) testing sites need investig

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Role of nanophotonics in the birth of seismic megastructures

The discovery of photonic crystals 30 years ago in conjunction with research advances in plasmonics and metamaterials, has inspired the concept of decameter scale metasurfaces, coined seismic metamaterials for an enhanced control of surface (Love and Rayleigh) and bulk (shear and pressure) elastodynamic waves.These powerful mathematical tools of WH

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