Bird flu sweeps through Asia; the rest of the world has begun to worry that it
might spread west and start infecting humans. As many experts have pointed out,
an influenza pandemic is only a matter of time and that time could be now. Bird
flu is hard for humans to contract, but health officials warn a major flu
outbreak could occur if the virus mutates into a form that can spread easily
from person to person. In people, bird flu usually begins much like conventional
influenza, with fever, cough, sore throat and muscle aches, but bird flu can
lead to life-threatening complications. Bird Flu book