Network of Open Educational Resources REA CVSP / BVS The Network REA / OER is an initiative of the Pan American Health Organization (PAHO) in cooperation with its Specialized Network Network of Open Educational Resources REA CVSP / BVS The Network REA / OER is an initiative of the Pan American Health Organization (PAHO) in cooperation with its Specialized Center BIREME / PAHO / WHO, and an integral part of the Virtual Campus of Public Health (CVSP) and the Virtual Health Library (VHL). Its purpose is the creation of a Network of Open Educational Resources that allows the production, publication, search and use of learning objects at the level of the Americas region.