The confirmation of the presence of the strain underscored the speed with which the virus has spread as it has moved erratically across Asia and Russia and reached Europe .
Asia /location/location/contains Russia
Europe /location/location/contains Russia
DT NN IN DT NN IN DT NN VBD DT NN IN WDT DT NN VBZ VBN IN PRP VBZ VBN RB IN NNP CC NNP CC VBN NNP .
Asia
LOCATION
Russia
LOCATION
/location/location/contains
Europe
LOCATION
Russia
LOCATION
/location/location/contains