title: Viruses are real, virus species are man-made, taxonomic constructions.
authors.affiliation: Ecole Supérieure de Biotechnologie de Strasbourg, UMR 7100, CNRS, Boulevard Sébastien Brandt, 67400 Illkirch, France. vanregen@esbs.u-strasbourg.fr
authors.forename: M H V
authors.initials: MH
authors.lastname: Van Regenmortel
mesh_terms: D009626:Terminology as Topic; D014780:Viruses / Q000145:classification*