The U.S. Centers for Disease Control and Prevention also considers the risk of H5N1 virus infection to the public to be low, and is using flu surveillance to monitor for H5 bird flu activity in people ...
Researchers have identified new roles for a protein long known to protect against severe flu infection – among them, raising the minimum number of viral particles needed to cause sickness.
A Canadian teen who is in critical condition after contracting H5N1 bird flu was infected with a version of the virus that is different from the one circulating in U.S. cattle.