The study suggested that wild ducks were probably responsible for moving the virus to Mongolia , Russia and Europe , but that they were probably getting infected by strains percolating in the domestic flocks of southern China .
Europe /location/location/contains Russia
DT NN VBD IN JJ NNS VBD RB JJ IN VBG DT NN TO NNP , NNP CC NNP , CC IN PRP VBD RB VBG VBN IN NNS VBG IN DT JJ NNS IN JJ NNP .
Europe
LOCATION
Russia
LOCATION
/location/location/contains