As pace and severity of human H5N1 cases accelerate, NIH leaders call for more action on bird flu
Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 ...
How Worried Should We Be About Bird Flu?
So far, the H5N1 virus isn't transmitted between people — but the CDC has found a mutation in a human case "concerning." ...