[H5N1, pandemic, bird flu] Evolution of flu strains points to higher risk of pandemic

http://www.thedailystar.net/latest/updates.php?pid=80 Evolution of flu strains points to higher risk of pandemic Some strains of bird flu are coming ever closer to developing the traits they need to cause a human pandemic, a study released Monday said. 5/25/2008 


>
Text tagged as: