Assertion: flu | /r/AtLocation | europe
Facets:
value: before spreading around the world
type: TEMPORAL
Source sentences:
text: The 1918 flu was first observed in Europe, the United States and parts of Asia before swiftly spreading around the world.
text: It’s unknown exactly where the particular strain of influenza that caused the pandemic came from; however, the 1918 flu was first observed in Europe, America and areas of Asia before spreading to almost every other part of the planet within a matter of months.