Assertion: person's risk | /r/CapableOf | decrease in the 1970s
Facets:
value: to 1
type: OTHER
value: currently
type: TEMPORAL
value: from approximately 10%
type: OTHER
Source sentences:
text: Since widespread screening of blood products for hepatitis C began in 1992, the risk of acquiring hepatitis C from a blood transfusion has decreased from approximately 10% in the 1970s to 1 in 2 million currently.