Assertion: hepatitis b's infection | /r/HasProperty | infected with the hepatitis a virus
Facets:
value: without symptoms2
type: OTHER
value: before the age of 10 years
type: TEMPORAL
Source sentences:
text: In low- and middle-income countries with poor sanitary conditions and hygienic practices, infection is common and most children (90%) have been infected with the hepatitis A virus before the age of 10 years, most often without symptoms2.