William W. Hall is the chair of medical microbiology and professor emeritus at the Centre for Research in Infectious Diseases at University College Dublin.
Later he worked as the Senior Physician and Director of the Clinical Research Centre at the Rockefeller University in New York.
[4] He was a member of the National Public Health Emergency Team for the Irish Government.
[2][3] His research was instrumental in the Molecular Characterization and identifying the genetic heterogeneity of Human T Lymphotropic Virus Type II.
[7][8] His work proceeded onto animal models of viral diseases and molecular pathogenesis.