The VHL is constituted by the union of its instances, represented by the networks developed in geographic thematic or institutional scopes, The Regional Portal of VHL is the space of convergence of all these instances that are represented on this Portal in the left column. Thus, in the VHL network each instance or network is part of it all.

It promotes the quality of the participating instances of VHL network in the management of scientific and technical information on health is one of the objectives of BIREME / PAHO / WHO in the role of coordination of network.