Assertion: anthrax | /r/HasProperty | frozen until warm summer thawed permafrost
Facets:
value: unusually
type: DEGREE
value: across the region
type: LOCATION
Source sentences:
text: The anthrax currently infecting reindeer and people in western Siberia likely came from the carcass of a reindeer that died in an anthrax outbreak 75 years ago and has been frozen ever since — until an unusually warm summer thawed permafrost across the region this year, according to local officials.