title: A reappraisal of the contribution of Friedrich Loeffler to the development of the modern concept of virus.
authors.forename: J
authors.initials: J
authors.lastname: Witz
mesh_terms: D000818:Animals; D005537:Aphthovirus; D002417:Cattle; D005536:Foot-and-Mouth Disease / Q000266:history*; D049672:History, 19th Century; D014027:Tobacco Mosaic Virus; D014773:Virology / Q000266:history*