Assertion: rotavirus | /r/HasSubevent | as many as 60 deaths
Facets:
value: annually
type: TEMPORAL
value: in children
type: LOCATION
Source sentences:
text: Before a vaccine was introduced in the United States, the disease caused more than 400,000 doctor visits and 200,000 emergency room visits each year, resulting in as many as 60 deaths annually in children younger than five.