Assertion: elisa | /r/CapableOf | use whole virus particles
Facets:
value: for safety reasons
type: PURPOSE
value: as the antigen
type: MANNER
Source sentences:
text: Since the neutralization test, ELISA, and IFA all use whole virus particles as the antigen, for safety reasons the preparation of SARS-CoV antigen must be conducted in a biosafety level 3 laboratory, which will prevent these test methods from being widely applied.