Please be advised that the 4th edition of the WHO Laboratory Biosafety Manual, together with the 7 supplemental monographs, has now been published. The 4th edition adopts a risk-based approach allowing for optimal use of resources and sustainable biosafety and biosecurity practices relevant to each laboratory's unique situation. Subject-specific monographs providing more detailed information have been included in the following areas:

- risk assessment

- laboratory design & maintenance

- biosafety cabinets

- personal protective equipment 

- decontamination & waste management

- biosafety program management

- outbreak preparedness & resilience

You may access the manual and each of the monographs at the following link: Laboratory biosafety manual, 4th edition.