title: New pathogens.
authors.forename: C Anthony
authors.initials: CA
authors.lastname: Hart
authors.forename: Nicholas J
authors.initials: NJ
authors.lastname: Beeching
mesh_terms: D018136:Circoviridae / Q000235:genetics / Q000302:isolation & purification; D018173:Circoviridae Infections / Q000821:virology; D021821:Communicable Diseases, Emerging / Q000453:epidemiology* / Q000821:virology*; D006518:Hepatitis Viruses / Q000145:classification / Q000235:genetics / Q000302:isolation & purification / Q000502:physiology; D006525:Hepatitis, Viral, Human / Q000821:virology; D006801:Humans; D022783:Torque teno virus / Q000235:genetics / Q000302:isolation & purification / Q000472:pathogenicity