Biosafety Levels Questions and
Answers
What is the Biosafety Level of this?
Characteristics: Low - risk agents that are not known to cause human disease
✓ ~~~ BSL - 1
What is the Biosafety Level of this?
Pathogens / Disease: E.coli
✓ ~~~ BSL - 1
What is the Biosafety Level of this?
Characteristics: Infectious agents of moderate risk with ingestion or mucous
membrane transmission
✓ ~~~ BSL - 2
What is the Biosafety Level of this?
Pathogens / Disease: Influenza , Lyme disease , salmonella , measles , mumps
✓ ~~~ BSL - 2
What is the Biosafety Level of this?
Characteristics: Infectious aerosol transmission that may cause serious or lethal
infections
✓ ~~~ BSL - 3
,What is the Biosafety Level of this?
Pathogens / Disease: Coronavirus , Mycobacterium tuberculosis , Yersinia pestis (
plague ) , malaria
✓ ~~~ BSL - 3
What is the Biosafety Level of this?
Characteristics: Infectious aerosol transmission that may cause serious or lethal
infections with no treatment available
✓ ~~~ BSL - 4
What is the Biosafety Level of this?
Pathogens / Disease: Ebola virus , Variola virus ( smallpox ) , Marburg virus
✓ ~~~ BSL - 4
The appropriate biosafety level ( 1-4 ) is determined by the _____ / _____ .
✓ ~~~ CDC / NIH
[]Selection of the biosafety level is based on characteristics of the infectious agent :
- _____________ of material - disease incidence / severity
✓ ~~~ Pathogenicity
[]Selection of the biosafety level is based on characteristics of the infectious agent :
- ___________ route of transmission ( bloodborne , airborne , ingestion )
, ✓ ~~~ Documented
[]Selection of the biosafety level is based on characteristics of the infectious agent :
- Availability of protective immunization ( ___ _______ ) or effective therapy
✓ ~~~ HBV Vaccine
[]Selection of the biosafety level is based on characteristics of the infectious agent :
- Risk of exposure created by ____________ in handling the agent & caring for
infected animals
✓ ~~~ manipulation
_____ - agents not known to cause disease .
✓ ~~~ BSL1
_____ - agents associated with human disease .
✓ ~~~ BSL2
_____ - indigenous / exotic agents associated with human disease and with potential
for aerosol transmission .
✓ ~~~ BSL3
_____ - dangerous / exotic agents of life threatening nature .
✓ ~~~ BSL4
Biosafety Levels 1-4 provide :
Answers
What is the Biosafety Level of this?
Characteristics: Low - risk agents that are not known to cause human disease
✓ ~~~ BSL - 1
What is the Biosafety Level of this?
Pathogens / Disease: E.coli
✓ ~~~ BSL - 1
What is the Biosafety Level of this?
Characteristics: Infectious agents of moderate risk with ingestion or mucous
membrane transmission
✓ ~~~ BSL - 2
What is the Biosafety Level of this?
Pathogens / Disease: Influenza , Lyme disease , salmonella , measles , mumps
✓ ~~~ BSL - 2
What is the Biosafety Level of this?
Characteristics: Infectious aerosol transmission that may cause serious or lethal
infections
✓ ~~~ BSL - 3
,What is the Biosafety Level of this?
Pathogens / Disease: Coronavirus , Mycobacterium tuberculosis , Yersinia pestis (
plague ) , malaria
✓ ~~~ BSL - 3
What is the Biosafety Level of this?
Characteristics: Infectious aerosol transmission that may cause serious or lethal
infections with no treatment available
✓ ~~~ BSL - 4
What is the Biosafety Level of this?
Pathogens / Disease: Ebola virus , Variola virus ( smallpox ) , Marburg virus
✓ ~~~ BSL - 4
The appropriate biosafety level ( 1-4 ) is determined by the _____ / _____ .
✓ ~~~ CDC / NIH
[]Selection of the biosafety level is based on characteristics of the infectious agent :
- _____________ of material - disease incidence / severity
✓ ~~~ Pathogenicity
[]Selection of the biosafety level is based on characteristics of the infectious agent :
- ___________ route of transmission ( bloodborne , airborne , ingestion )
, ✓ ~~~ Documented
[]Selection of the biosafety level is based on characteristics of the infectious agent :
- Availability of protective immunization ( ___ _______ ) or effective therapy
✓ ~~~ HBV Vaccine
[]Selection of the biosafety level is based on characteristics of the infectious agent :
- Risk of exposure created by ____________ in handling the agent & caring for
infected animals
✓ ~~~ manipulation
_____ - agents not known to cause disease .
✓ ~~~ BSL1
_____ - agents associated with human disease .
✓ ~~~ BSL2
_____ - indigenous / exotic agents associated with human disease and with potential
for aerosol transmission .
✓ ~~~ BSL3
_____ - dangerous / exotic agents of life threatening nature .
✓ ~~~ BSL4
Biosafety Levels 1-4 provide :
