The Global Virus Network (GVN) is an international coalition of medical virologists founded in 2011, and covering 24 countries in 2015. It fosters research into viruses that cause human disease, with the aim of promoting the development of diagnostics, antiviral drugs and vaccines.In addition, GVN's mission includes strengthening medical research and response mechanisms to current viral causes to human disease. It was co-founded by Robert Gallo, who is its scientific director. As of 2016, José Esparza is its president. It is headquartered at the Institute of Human Virology at the University of Maryland School of Medicine in the USA.
GVN organises task forces in the areas of chikungunya and human T-lymphotropic virus, and launched one in the area of Zika in 2016.