Assertion: ebola | /r/HasProperty | negative
Facets:
value: by ifa technique
type: CAUSE
value: to khf agent
type: TRANSITIVE-OBJECT
Source sentences:
text: Very recently, Lee et al. reported that antisera of Lassa, Machupo, lymphocytic choriomeningitis, Pichinde and Tacaribe of the arenavirus group, Marburg and Ebola were negative to KHF agent by IFA technique.