Table 2.

Biosafety level requirements for processing SARS-CoV-2-suspected samples

S. No.	Laboratory activities	Laboratory facility required
1	•Media preparation •Histopathology of formalin-fixed specimens •Electron microscopy of fixed samples •Staining and examination of fixed smear for bacteriology	Biosafety laboratory level 2 facility
2	•Sample inactivation •Nucleic acid extraction •Polymerase chain reaction •Smear preparation for bacteriological and mycological work •Serological tests	Biosafety laboratory level 2 facility with biosafety laboratory level 3 practices
3	•Virus isolation and manipulation of viral culture •Animal experiments using live culture	Biosafety laboratory level 3 facility