Assertion: group biological agent | /r/HasProperty | serious hazard
Facets:
value: to workers
type: TRANSITIVE-OBJECT
Source sentences:
text: biological agent can cause severe human disease and present a serious hazard to workers; it may present a risk of spreading to the community, but there is usually effective prophylaxis or treatment available; a group 4 biological agent causes severe human disease and is a serious hazard to workers; it may present a high risk of spreading to the community; there is usually no effective prophylaxis or treatment available.