But they also emphasized that additional steps must be taken to better prepare for a possible worldwide epidemic of the respiratory disease , whether it is caused by the strain of avian influenza that has been spreading though birds in Asia and Russia , known as A -LRB- H5N1 -RRB- , or by another strain .
Asia /location/location/contains Russia
CC PRP RB VBD IN JJ NNS MD VB VBN TO JJR VB IN DT JJ JJ JJ IN DT JJ NN , IN PRP VBZ VBN IN DT NN IN JJ NN WDT VBZ VBN VBG IN NNS IN NNP CC NNP , VBN IN NN -LRB- NN -RRB- , CC IN DT NN .
Asia
LOCATION
Russia
LOCATION
/location/location/contains