title: Historical note on the origin of the LaSota strain of Newcastle disease virus.
mesh_terms: D000818:Animals; D002645:Chickens; D049673:History, 20th Century; D009521:Newcastle Disease / Q000266:history / Q000382:microbiology / Q000517:prevention & control; D009522:Newcastle disease virus / Q000145:classification / Q000276:immunology* / Q000302:isolation & purification; D014481:United States; D014765:Viral Vaccines / Q000266:history*
chemical_list: D014765:Viral Vaccines