WHO recommends that all diagnostic laboratory work and polymerase chain reaction (PCR) analysis on clinical specimens taken from patients who are suspected or confirmed to be infected with novel coronavirus should be conducted according to practices and procedures described for basic laboratory – biosafety level 2 as detailed in WHO biosafety manual, third edition.
Final responsibility for the identification and implementation of appropriate containment measures for viral isolation lies with individual countries and facilities. However, needs may vary from one country to another according to the variables mentioned below and decisions should be taken in light of currently available knowledge and context.
Related links
WHO Biosafety manual, third edition