The World Health Organization moved Friday, to revise alarming predictions that a pandemic stemming from the bird flu virus ravaging parts of Asia, could kill as many as 150 million people.
The bird flu virus is a real threat.
( z1 threaten :ARG0 ( z2 virus :name ( z3 name :op "bird" :op "flu" ) ) :ARG1-of ( z4 real ) )