The Bird Flu Virus Is Mutating Fast – And Scientists Say Our Vaccines May Not Be Enough
H5N1 influenza is evolving rapidly, weakening the effectiveness of existing antibodies and increasing its potential threat to ...
Bird Flu Cases are Down, But the Threat Hasn’t Passed. What to Know About the H5N1 Outbreak.
By most indications, the avian influenza outbreak that has washed over U.S. farms is at an ebb. Experts don’t seem hopeful, ...