Biosafety Levels for Biological Agents – Stanford Environmental Health & Safety (2024)

Adenoviruses2Adenoviruses – animal – all2Aleutian Disease Virus2Arboviruses – certain2Arboviruses – certain3Arboviruses – certain4Arenaviruses – certain3Arenaviruses – certain4Avian Erthyroblastosis Virus2Avian Leucosis Virus2Avian Lymphomatosis Virus2Avian Myeloblasotosos Virus2Bovine Encephalomyelitis Virus2Bovine Leukemia Virus2Bovine Respiratory Syncytial Virus2Bovine Rhinotracheitis (IBR)2Cache Valley Virus2Canine Hepatitis Virus2Canine Distemper Virus2Caprine Arthritis2Coxsackie A & B Viruses2Cytomegaloviruses2Encephalomyelitis Virus*2Echovirus2Dengue Virus2Encephalomyocarditis Virus2Epidemic Diarrhea Infant Mice2Epstein-Barr Virus2Feline Leukemia Virus2Feline Sarcoma Virus2Filoviruses2Flanders Virus2Gibbon Ape Lymphosarcoma2Hart Park Virus2Hemorrhagic Fever Agents*2Hepatitis A Virus, Hepatitis E Virus2Hepatitis B Virus, Hepatitis C Virus, Hepatitis D Virus2Herpesvirus – other2Herpesvirus ateles2Herpesvirus saimir2Herpesvirus Simiae (B-virus)3Human Herpesviruses2Hog Cholera Virus2Human T-Cell Leukemia Virus I & II2Infectious Bronchitis Virus2Influenza Virus2Influenza Virus Virulent Avian3K (Rate) Virus2Lactic Dehydrogenase Elevating2Langat Virus2Laryngotracheitis Virus2Lassa Virus*4Low Risk Oncogenic Viruses2Lymphocytic Choriomeningitis Virus2/3Marburg Virus*4Measles Virus2Memingopneumonitis Virus2Mouse Encephalomyelitis Virus2Mouse Hepatitis Virus2Mouse Leukemia Virus2Mouse Pneumonia Virus2Mumps Virus2Myxomatosis Virus2Newcastle Disease Virus2Newcastle Disease Virus (VVND)2Non-Defective Adenovirus 2SV40 HYB2Papilloma Virus Shope2Parainfluenza Virus2Poliovirus – all types2Polyoma Virus2Poxvirus alastrim2Poxvirus monkey pox3Poxvirus – Smallpox*Poxvirus sp.2Pseudorabies Virus2Rabies Virus2/3Reovirus sp.2Respiratory Syncytial Virus2Retroviruses, including HIV & SIV2/3Rhinovirus sp.2Rous Sarcoma Virus2Rubella Virus2Simian Virus – other2Simian T-Cell Leukemia Virus2Sindbis Virus2Slow Viruses2Tensaw Virus2Tick-Borne Encephalitis Complex4Transmissible Spongiform Encephalopathies (Creutzfeldt-Jakob, kuru, and related agents2Turlock Virus2Vaccinia Virus2Venezuelan Equine Encephalitis*3Vesicular Stomatitis – lab adapted2Vesicular Somatitis Virus3Woolly Monkey Fibrosarcoma3Yaba Virus2Yellow Fever Virus 17D Strain*2Yellow Fever Virus Except 17D*3