title: The contribution of virus infections to our understanding of the immune system.
authors.affiliation: World Health Organization, Geneva, Switzerland.
authors.forename: G L
authors.initials: GL
authors.lastname: Ada
mesh_terms: D005822:Genetic Vectors; D006801:Humans; D014777:Virus Diseases / Q000145:classification / Q000150:complications / Q000276:immunology*; D014780:Viruses / Q000235:genetics