H5N1 bird flu infection may be more common, less deadly, than thought
Thursday, February 23, 2012 - 22:00
in Health & Medicine
Mount Sinai School of Medicine virologists find signs of infection in 1-2% of blood samples screened, but most people didn't seek or need treatment.The World Health Organization says the H5N1 bird flu kills nearly 60% of people who become infected, but a study released Thursday suggests the true fatality rate may actually be much lower.