Fig. 1

Epidemiology of Simian T-Leukemia Virus Type-1 in wild-caught or captive non-human primates (NHPs) from Asia and Africa. All studies which reported STLV-1 infection in NHPs are listed. Orange and purple colors represent Asian and African STLV-1 infected NHPs, respectively. Countries with both colors and hatching represent Asian and African NHPs hosted in geographical areas where they are not naturally present